| No. | Item | Definition |
|---|---|---|
| 1. | able | skilled and mentally capable |
| 2. | academic | suited to study or scholarship |
| 3. | accomplished | highly skilled and capable |
| 4. | acute | keen and perceptive mentally |
| 5. | adept | highly skilled or capable |
| 6. | adroit | clever and skillful |
| 7. | alert | mentally watchful and quick |
| 8. | analytical | skilled at careful reasoning |
| 9. | apt | quick to learn or understand |
| 10. | astute | showing sharp practical judgment |
| 11. | bookish | devoted to reading and study |
| 12. | bright | quick and intelligent |
| 13. | brilliant | exceptionally intelligent or talented |
| 14. | calculating | shrewd and carefully planning |
| 15. | capable | having the ability to succeed |
| 16. | cerebral | intellectual rather than emotional |
| 17. | clear-sighted | understanding situations accurately |
| 18. | clever | quick to understand and solve |
| 19. | crack | excellent or highly skilled |
| 20. | cultivated | educated and refined in taste |
| 21. | cultured | educated and intellectually refined |
| 22. | data-savvy | clever with data and analysis |
| 23. | deep | intellectually profound |
| 24. | discerning | able to judge well |
| 25. | educated | having good schooling or knowledge |
| 26. | elite | among the best in ability |
| 27. | erudite | having extensive scholarly knowledge |
| 28. | exceptional | unusually intelligent or able |
| 29. | expert | highly knowledgeable or skilled |
| 30. | far-sighted | wise about future consequences |
| 31. | fast-learning | learning new things quickly |
| 32. | fast-thinking | thinking rapidly and effectively |
| 33. | first-class | excellent in ability or quality |
| 34. | first-rate | excellent in ability or quality |
| 35. | formidable | impressively intelligent or capable |
| 36. | genius | exceptionally intelligent or talented |
| 37. | gifted | naturally talented and intelligent |
| 38. | high-caliber | of very high ability |
| 39. | highbrow | intellectual and culturally serious |
| 40. | impressive | showing remarkable ability |
| 41. | incisive | clear, sharp, and intelligent |
| 42. | ingenious | cleverly inventive or resourceful |
| 43. | inquiring | curious and eager to understand |
| 44. | insightful | showing deep understanding |
| 45. | intellectual | concerned with serious thinking |
| 46. | intelligent | having strong mental ability |
| 47. | inventive | clever at creating new ideas |
| 48. | judicious | showing good sense and judgment |
| 49. | keen | mentally sharp and perceptive |
| 50. | knowledgeable | well informed and understanding |
| 51. | lateral-thinking | clever at indirect problem-solving |
| 52. | learned | having much knowledge from study |
| 53. | logical | able to reason clearly |
| 54. | mathematical | good with numbers and logic |
| 55. | nimble | quick and clever mentally |
| 56. | nuanced | showing fine distinctions in thought |
| 57. | numerate | skilled with numbers |
| 58. | on the ball | alert and competent |
| 59. | outstanding | exceptionally good or able |
| 60. | penetrating | showing deep understanding |
| 61. | perceptive | quick to notice and understand |
| 62. | perspicacious | having keen insight and judgment |
| 63. | piercing | keenly perceptive |
| 64. | precocious | advanced mentally at a young age |
| 65. | probing | searching and intelligently thorough |
| 66. | profound | showing deep thought |
| 67. | prudent | wise and careful in judgment |
| 68. | questioning | inclined to think and ask |
| 69. | quick-learning | able to learn rapidly |
| 70. | quick-thinking | able to think fast |
| 71. | quick-witted | fast and clever in response |
| 72. | rational | guided by clear reason |
| 73. | reasonable | showing sound, rational judgment |
| 74. | remarkable | notably intelligent or impressive |
| 75. | research-minded | inclined toward investigation and study |
| 76. | resourceful | clever at handling difficulties |
| 77. | retentive | good at remembering information |
| 78. | sagacious | wise and discerning |
| 79. | sage | very wise and thoughtful |
| 80. | savvy | practically intelligent and aware |
| 81. | scholarly | learned and academic |
| 82. | sharp | mentally quick and alert |
| 83. | shrewd | clever and good at judging |
| 84. | smart | quick and able in thinking |
| 85. | street-smart | clever in practical situations |
| 86. | studious | devoted to study and learning |
| 87. | switched-on | alert, informed, and intelligent |
| 88. | tactical | clever at practical planning |
| 89. | talented | having natural ability |
| 90. | tech-savvy | clever with technology |
| 91. | technical | skilled in specialized knowledge |
| 92. | thoughtful | careful and intelligent in thinking |
| 93. | top-notch | excellent and highly capable |
| 94. | top-tier | among the highest quality |
| 95. | trenchant | sharply perceptive and effective |
| 96. | visionary | imaginative and forward-thinking |
| 97. | well-read | knowledgeable from extensive reading |
| 98. | wide-awake | alert and mentally aware |
| 99. | wise | showing sound judgment |
| 100. | worldly-wise | smart from practical experience |