| No. | Term | Definition |
|---|---|---|
| 1. | Aboveboard | Open and honest |
| 2. | Accredited | Officially recognized as qualified |
| 3. | Accurate | Free from errors; correct |
| 4. | Authentic | Genuine; not counterfeit |
| 5. | Authoritative | Commanding trust; expert-backed |
| 6. | Believable | Easy to accept as true |
| 7. | Beyond doubt | Certain; unquestionable |
| 8. | Bona fide | Genuine; in good faith |
| 9. | By the book | Following rules exactly |
| 10. | Capable of proof | Able to be proven true |
| 11. | Certifiable | Able to be officially certified |
| 12. | Certified | Formally verified by authority |
| 13. | Clean | Not tainted; above suspicion |
| 14. | Clear-cut | Unambiguous; easy to judge |
| 15. | Cogent | Clear and convincing |
| 16. | Cut-and-dried | Decided; not doubtful |
| 17. | Defensible | Able to be justified logically |
| 18. | Dependable | Reliable; can be trusted |
| 19. | Documented | Supported by written evidence |
| 20. | Duly attested | Properly witnessed and confirmed |
| 21. | Earnest | Sincere and serious |
| 22. | Evidence-based | Grounded in evidence |
| 23. | Evident | Plainly seen or understood |
| 24. | Exact | Precise; strictly correct |
| 25. | Factual | Based on objective facts |
| 26. | Fair | Just; unbiased |
| 27. | Fair-minded | Impartial; unbiased in judgment |
| 28. | Faithful | True to facts or source |
| 29. | For real | Genuine; not fake |
| 30. | Genuine | Truly what it claims |
| 31. | Good for it | Likely to keep a promise |
| 32. | Gospel | Generally accepted as true |
| 33. | Hard to dispute | Not easily challenged |
| 34. | Honest | Truthful; not deceptive |
| 35. | Honorable | Worthy of respect and trust |
| 36. | Impartial | Not favoring either side |
| 37. | In good faith | With honest intent |
| 38. | Incontestable | Not open to dispute |
| 39. | Indisputable | Impossible to deny |
| 40. | Infallible | Incapable of being wrong |
| 41. | Justifiable | Able to be shown right |
| 42. | Knowledgeable | Well-informed; learned |
| 43. | Legit | Legitimate; not fake |
| 44. | Legitimate | Lawful and accepted as valid |
| 45. | Logical | Reasonable; follows sound thinking |
| 46. | Merited | Deserved based on evidence |
| 47. | Methodical | Orderly; systematic in approach |
| 48. | Objective | Unbiased; fact-focused |
| 49. | Of good repute | Having a respected reputation |
| 50. | Official | Authorized by an authority |
| 51. | On record | Officially stated or documented |
| 52. | On the level | Honest; not deceptive |
| 53. | Plausible | Seemingly reasonable or true |
| 54. | Positively identified | Confirmed as the same one |
| 55. | Probable | Likely to be true |
| 56. | Professional | Competent; meeting standards |
| 57. | Proper | Correct; appropriate |
| 58. | Provable | Capable of being proven |
| 59. | Qualified | Having required skills or status |
| 60. | Reasonable | Sensible; fair-minded |
| 61. | Reassuring | Inspiring confidence and trust |
| 62. | Reputable | Widely trusted and respected |
| 63. | Respectable | Worthy of respect |
| 64. | Responsible | Reliable; accountable |
| 65. | Rock-solid | Extremely reliable and sound |
| 66. | Sane | Sound; rational |
| 67. | Scholarly | Academic; well-researched |
| 68. | Scrupulous | Careful to be honest |
| 69. | Secure | Safe from doubt; assured |
| 70. | Sensible | Showing good judgment |
| 71. | Serious | Not frivolous; earnest |
| 72. | Solid | Strongly supported; dependable |
| 73. | Sound | Valid; based on reason |
| 74. | Straight | Honest and direct |
| 75. | Straightforward | Plainly honest; uncomplicated |
| 76. | Substantial | Considerable; not flimsy |
| 77. | Substantiated | Backed by evidence |
| 78. | Sure | Certain; confident |
| 79. | True | In accordance with fact |
| 80. | Trustable | Able to be trusted |
| 81. | Trustworthy | Deserving of trust |
| 82. | Truthful | Telling or reflecting truth |
| 83. | Unassailable | Impossible to attack or refute |
| 84. | Unbiased | Not prejudiced; impartial |
| 85. | Undeniable | Cannot be denied |
| 86. | Undisputed | Accepted without argument |
| 87. | Unerring | Not making mistakes |
| 88. | Unexceptionable | Not open to objection |
| 89. | Unimpeachable | Beyond doubt or blame |
| 90. | Unquestionable | Not able to be questioned |
| 91. | Unrefuted | Not disproven or rebutted |
| 92. | Unshakable | Not easily undermined |
| 93. | Valid | Logically sound and acceptable |
| 94. | Validated | Confirmed as accurate |
| 95. | Veracious | Truthful; accurate |
| 96. | Verifiable | Able to be checked and confirmed |
| 97. | Verified | Checked and confirmed true |
| 98. | Well-attested | Supported by multiple witnesses |
| 99. | Well-founded | Based on good reasons |
| 100. | Well-grounded | Solidly based; justified |