| No. | Term | Definition |
|---|---|---|
| 1. | Abstraction | General idea detached from specifics |
| 2. | Aim | Intended goal or purpose |
| 3. | Angle | Particular way of viewing |
| 4. | Answer | Response or solution in mind |
| 5. | Appraisal | Judgment after considering |
| 6. | Assumption | Accepted belief without proof |
| 7. | Attitude | Settled way of thinking |
| 8. | Awareness | Conscious recognition of something |
| 9. | Belief | Accepted as true in mind |
| 10. | Bias | Inclination affecting judgment |
| 11. | Brainwave | Sudden clever idea |
| 12. | Calculus | Complex reasoning about choices |
| 13. | Conceit | Overly high opinion of self |
| 14. | Concept | Mental representation of something |
| 15. | Conclusion | End judgment from reasoning |
| 16. | Consideration | Careful attention to factors |
| 17. | Contemplation | Deep reflective thinking |
| 18. | Conviction | Firmly held belief |
| 19. | Counsel | Advice formed by reflection |
| 20. | Criterion | Standard used for judging |
| 21. | Decision | Chosen course after weighing |
| 22. | Deduction | Conclusion drawn from premises |
| 23. | Deliberation | Careful discussion or reflection |
| 24. | Design | Planned intention or scheme |
| 25. | Determination | Resolved intent to act |
| 26. | Diagnosis | Reasoned identification of cause |
| 27. | Discernment | Ability to judge well |
| 28. | Discovery | Finding through inquiry |
| 29. | Disposition | Habitual tendency of mind |
| 30. | Doubt | Uncertainty about belief or plan |
| 31. | Dream | Imagined experience while asleep |
| 32. | Empathy | Understanding another’s feelings |
| 33. | End | Purpose aimed at |
| 34. | Estimate | Approximate judgment of value |
| 35. | Evaluation | Assessment of worth or quality |
| 36. | Expectation | Belief about what will happen |
| 37. | Experience | Knowledge gained by living |
| 38. | Fancy | Whim or playful imagination |
| 39. | Feeling | Emotional sense or impression |
| 40. | Foresight | Ability to anticipate outcomes |
| 41. | Formulation | Careful expression of an idea |
| 42. | Frame of mind | Current mental state |
| 43. | Gist | Essential point or meaning |
| 44. | Goal | Target outcome sought |
| 45. | Guess | Uncertain conclusion without evidence |
| 46. | Guiding principle | Rule shaping decisions |
| 47. | Hesitation | Pause from uncertainty |
| 48. | Hunch | Intuitive feeling about something |
| 49. | Idea | Mental notion or plan |
| 50. | Ideation | Process of generating ideas |
| 51. | Image | Mental picture or impression |
| 52. | Imagination | Ability to form mental images |
| 53. | Impression | Effect on mind or feeling |
| 54. | Impulse | Sudden urge to act |
| 55. | Inference | Conclusion from evidence |
| 56. | Insight | Clear understanding of something |
| 57. | Intellect | Faculty of reasoning and understanding |
| 58. | Intention | Purpose planned in mind |
| 59. | Interpretation | Explanation of meaning |
| 60. | Intuition | Knowing without conscious reasoning |
| 61. | Judgment | Opinion formed after thinking |
| 62. | Knowledge | Information understood and retained |
| 63. | Leanings | Personal preferences or tendencies |
| 64. | Lesson | Understanding gained from experience |
| 65. | Logic | Reasoning based on principles |
| 66. | Mindset | Established set of attitudes |
| 67. | Misgiving | Doubt or uneasy feeling |
| 68. | Motive | Reason for acting |
| 69. | Notion | Small or vague idea |
| 70. | Objective | Specific intended result |
| 71. | Observation | Notice based on watching |
| 72. | Opinion | Personal view or belief |
| 73. | Option | Possible choice available |
| 74. | Outlook | General view of life |
| 75. | Perception | How something is understood |
| 76. | Perspective | Viewpoint on a matter |
| 77. | Plan | Arranged method for action |
| 78. | Point | Main idea being made |
| 79. | Policy | Guiding course of action |
| 80. | Position | Stance on an issue |
| 81. | Premise | Starting statement for reasoning |
| 82. | Preoccupation | Absorbing concern occupying mind |
| 83. | Presumption | Assumption taken as likely |
| 84. | Principle | Fundamental rule or belief |
| 85. | Projection | Estimate based on current data |
| 86. | Purpose | Reason something is done |
| 87. | Question | Issue posed for consideration |
| 88. | Rationale | Underlying reason or explanation |
| 89. | Reaction | Immediate response in mind |
| 90. | Reason | Cause or justification |
| 91. | Reasoning | Process of drawing conclusions |
| 92. | Recollection | Act of remembering |
| 93. | Reflection | Serious thought about something |
| 94. | Regard | Consideration or attention |
| 95. | Remembrance | Memory of past events |
| 96. | Resolution | Firm decision or determination |
| 97. | Response | Reply formed mentally |
| 98. | Rumination | Repetitive deep thinking |
| 99. | Scheme | Planned arrangement or plot |
| 100. | Scruple | Moral doubt or hesitation |
