| No. | Item | Definition |
|---|---|---|
| 1. | accept | believe as true or valid |
| 2. | adopt | take up a belief |
| 3. | analyze | study by thinking carefully |
| 4. | anticipate | expect or predict beforehand |
| 5. | appraise | evaluate worth or quality |
| 6. | apprehend | understand or perceive mentally |
| 7. | assess | judge or estimate |
| 8. | assume | take as true without proof |
| 9. | believe | accept as true or likely |
| 10. | brood | think anxiously or unhappily |
| 11. | buy | informally accept as true |
| 12. | calculate | think through by computation |
| 13. | cogitate | think deeply or carefully |
| 14. | compute | calculate mentally or mathematically |
| 15. | conceive | form an idea in the mind |
| 16. | conclude | reach an opinion by reasoning |
| 17. | conjecture | form an opinion without proof |
| 18. | consider | give thought to something |
| 19. | contemplate | think carefully and at length |
| 20. | decide | reach a choice or conclusion |
| 21. | decipher | work out meaning |
| 22. | deduce | reach by logical reasoning |
| 23. | deem | regard in a particular way |
| 24. | deliberate | think carefully before deciding |
| 25. | determine | decide after consideration |
| 26. | doubt | feel uncertain about |
| 27. | dream up | invent by imagination |
| 28. | embrace | accept or support an idea |
| 29. | envisage | imagine as a future possibility |
| 30. | envision | imagine something visually or mentally |
| 31. | estimate | judge roughly or approximately |
| 32. | evaluate | judge value or quality |
| 33. | examine | consider closely and carefully |
| 34. | expect | believe something will happen |
| 35. | explore | consider possibilities or ideas |
| 36. | fancy | imagine or suppose |
| 37. | fathom | understand after effort |
| 38. | favor | prefer or support mentally |
| 39. | feel | hold as an opinion |
| 40. | figure | informally conclude or believe |
| 41. | find | come to an opinion |
| 42. | foresee | think something will happen |
| 43. | formulate | develop an idea or plan |
| 44. | get | informally understand |
| 45. | grasp | understand mentally |
| 46. | guess | form an uncertain opinion |
| 47. | have in mind | intend or be considering |
| 48. | hold | maintain as an opinion |
| 49. | hypothesize | propose a possible explanation |
| 50. | ideate | form or generate ideas |
| 51. | imagine | form an idea mentally |
| 52. | incline | lean toward an opinion |
| 53. | infer | conclude from evidence |
| 54. | interpret | understand or explain meaning |
| 55. | invent | create with the mind |
| 56. | investigate | examine to discover facts |
| 57. | judge | form an opinion about |
| 58. | lean | tend toward a view |
| 59. | maintain | state or hold an opinion |
| 60. | make out | manage to understand |
| 61. | make sense of | understand by thinking |
| 62. | make up your mind | decide after thinking |
| 63. | meditate | focus thought deeply or calmly |
| 64. | mull | think over carefully |
| 65. | muse | think quietly and reflectively |
| 66. | originate | create as a new idea |
| 67. | picture | imagine in the mind |
| 68. | ponder | think deeply about something |
| 69. | predict | say or think will happen |
| 70. | prefer | think one option better |
| 71. | presume | suppose based on probability |
| 72. | question | think doubtfully about |
| 73. | reason | use logic to form thoughts |
| 74. | reassess | evaluate again |
| 75. | reckon | informally believe or calculate |
| 76. | reconsider | think about again |
| 77. | reevaluate | judge again or differently |
| 78. | reflect | think carefully or deeply |
| 79. | regard | consider in a particular way |
| 80. | rethink | consider again differently |
| 81. | review | consider again or examine |
| 82. | ruminate | think repeatedly or deeply |
| 83. | scrutinize | examine very carefully |
| 84. | settle on | decide after considering options |
| 85. | speculate | think about possibilities |
| 86. | study | consider or examine closely |
| 87. | suppose | believe as possible or likely |
| 88. | surmise | guess from limited evidence |
| 89. | survey | consider broadly or overall |
| 90. | suspect | believe without full proof |
| 91. | take | interpret in a specified way |
| 92. | tend | be inclined to believe |
| 93. | theorize | form ideas to explain something |
| 94. | trust | believe in reliability or truth |
| 95. | understand | grasp the meaning of |
| 96. | view | consider from a particular perspective |
| 97. | visualize | imagine as a mental image |
| 98. | weigh | consider carefully before deciding |
| 99. | wonder | think with curiosity |
| 100. | work out | solve by thinking |