| No. | Item | Definition |
|---|---|---|
| 1. | account for | explain satisfactorily |
| 2. | analyze | examine to understand |
| 3. | appraise | assess the nature |
| 4. | arrive at | reach by reasoning |
| 5. | ascertain | find out for certain |
| 6. | assess | judge or determine |
| 7. | break down | analyze into parts |
| 8. | bring to light | reveal or discover |
| 9. | calculate | work out numerically |
| 10. | catch on | begin to understand |
| 11. | come to understand | gradually understand |
| 12. | come up with | produce by thinking |
| 13. | comprehend | understand completely |
| 14. | compute | calculate or determine |
| 15. | conceive | form in the mind |
| 16. | conclude | decide from evidence |
| 17. | construe | interpret the meaning |
| 18. | crack | solve successfully |
| 19. | decipher | make sense of |
| 20. | decode | interpret hidden meaning |
| 21. | deduce | reach by reasoning |
| 22. | derive | obtain by reasoning |
| 23. | determine | find out by reasoning |
| 24. | diagnose | identify the cause |
| 25. | discover | learn or uncover |
| 26. | divine | guess or infer |
| 27. | establish | determine firmly |
| 28. | estimate | roughly determine |
| 29. | evaluate | judge the value |
| 30. | examine | inspect to understand |
| 31. | explain | make understandable |
| 32. | extract | draw out meaning |
| 33. | fathom | understand deeply |
| 34. | ferret out | discover through searching |
| 35. | find | discover or locate mentally |
| 36. | fix on | settle on mentally |
| 37. | gather | infer from information |
| 38. | gauge | estimate or determine |
| 39. | get | understand |
| 40. | glean | gather bit by bit |
| 41. | grasp | understand fully |
| 42. | guess | form an uncertain conclusion |
| 43. | hit on | discover by chance |
| 44. | hit upon | discover unexpectedly |
| 45. | hypothesize | propose an explanation |
| 46. | identify | recognize or establish |
| 47. | infer | conclude from evidence |
| 48. | interpret | explain the meaning |
| 49. | intuit | know without reasoning |
| 50. | investigate | look into thoroughly |
| 51. | know | understand as fact |
| 52. | learn | come to know |
| 53. | look into | investigate or examine |
| 54. | make out | understand with effort |
| 55. | make sense of | understand meaningfully |
| 56. | map out | plan in detail |
| 57. | measure | determine size or amount |
| 58. | mull over | think about deeply |
| 59. | nail down | determine precisely |
| 60. | parse | analyze carefully |
| 61. | piece together | assemble understanding gradually |
| 62. | pinpoint | identify exactly |
| 63. | plot out | work out stepwise |
| 64. | probe | investigate deeply |
| 65. | prove | show to be true |
| 66. | puzzle out | solve with difficulty |
| 67. | quantify | measure or determine amount |
| 68. | read | interpret correctly |
| 69. | realize | become aware of |
| 70. | reason out | solve by thinking |
| 71. | reckon | judge or conclude |
| 72. | recognize | know what it is |
| 73. | reflect on | think carefully about |
| 74. | resolve | settle or solve |
| 75. | root out | find after digging |
| 76. | see | understand or realize |
| 77. | size up | assess and understand |
| 78. | solve | find the answer |
| 79. | sort out | resolve or understand |
| 80. | speculate | guess without certainty |
| 81. | suppose | assume for the moment |
| 82. | surmise | infer with limited evidence |
| 83. | suss out | discover or understand |
| 84. | take | interpret in a certain way |
| 85. | test | check to determine |
| 86. | theorize | form a theory |
| 87. | think out | work out mentally |
| 88. | think through | consider until understood |
| 89. | total up | add and determine |
| 90. | trace | track to the source |
| 91. | track down | find after searching |
| 92. | uncover | reveal or discover |
| 93. | understand | grasp the meaning clearly |
| 94. | unravel | solve something confusing |
| 95. | untangle | make clear or solve |
| 96. | validate | confirm accuracy |
| 97. | verify | confirm as true |
| 98. | weigh | consider carefully |
| 99. | work out | solve or understand |
| 100. | zero in on | focus on exactly |