| No. | Item | Definition |
|---|---|---|
| 1. | acceptable | good enough to accept |
| 2. | add up | seem consistent and logical |
| 3. | anchored | firmly based or fixed |
| 4. | apparent | seeming to be true |
| 5. | arguable | open to reasonable support |
| 6. | authentic-seeming | appearing genuine or real |
| 7. | based | founded on something |
| 8. | befitting | suitable in the circumstances |
| 9. | believable | easy to accept as true |
| 10. | borne by evidence | supported by evidence |
| 11. | borne out | shown true by evidence |
| 12. | check out | seem true or valid |
| 13. | coherent | logically connected and consistent |
| 14. | colorable | apparently valid or true |
| 15. | compatible | able to fit the facts |
| 16. | conceivable | able to be imagined |
| 17. | consistent | not contradictory; believable |
| 18. | convincing | able to persuade as true |
| 19. | credible | believable and convincing |
| 20. | deducible | able to be reasoned out |
| 21. | defensible | able to be justified |
| 22. | demonstrable | able to be shown clearly |
| 23. | doable | possible to carry out |
| 24. | documented | supported by records or evidence |
| 25. | eminently possible | very possible indeed |
| 26. | entirely possible | fully within possibility |
| 27. | evidence-based | supported by evidence |
| 28. | explainable | able to be explained |
| 29. | explicable | able to be explained logically |
| 30. | face-valid | appearing valid on its face |
| 31. | fact-based | based on known facts |
| 32. | fairly likely | somewhat probable |
| 33. | feasible | possible and likely workable |
| 34. | fitting | appropriate and believable |
| 35. | founded | based on something solid |
| 36. | grounded | based on facts or reason |
| 37. | highly possible | very possible |
| 38. | hold water | seem logically sound |
| 39. | imaginable | possible to picture mentally |
| 40. | in character | consistent with usual behavior |
| 41. | in keeping | matching what is expected |
| 42. | inferable | able to be concluded |
| 43. | internally consistent | free from internal contradiction |
| 44. | justifiable | able to be reasonably defended |
| 45. | lifelike | realistically true in appearance |
| 46. | likely | probably true or real |
| 47. | logical | consistent with clear reasoning |
| 48. | make sense | seem logical and believable |
| 49. | more than possible | fairly likely or believable |
| 50. | not absurd | not ridiculous or impossible |
| 51. | not beyond belief | still believable |
| 52. | not fanciful | not merely imaginary |
| 53. | not far-fetched | not wildly unlikely |
| 54. | not implausible | not hard to believe |
| 55. | not impossible | within the range of possibility |
| 56. | not inconceivable | still possible to imagine |
| 57. | not outlandish | not bizarre or unbelievable |
| 58. | not unlikely | fairly possible or believable |
| 59. | not unreasonable | fairly sensible or acceptable |
| 60. | on balance likely | more likely than not |
| 61. | on the cards | fairly likely to happen |
| 62. | ostensible | appearing to be true |
| 63. | pass muster | meet acceptance standards |
| 64. | possible | able to be true |
| 65. | practical | sensible and workable |
| 66. | presumable | able to be presumed |
| 67. | presumed | accepted as likely true |
| 68. | presumptive | based on probability |
| 69. | prima facie | true at first sight |
| 70. | probable | likely to be true |
| 71. | quite possible | fairly possible |
| 72. | rational | based on reason |
| 73. | realistic | appearing true to life |
| 74. | reasonable | fairly sensible and believable |
| 75. | reasoned | based on careful thought |
| 76. | ring true | seem genuine or believable |
| 77. | rooted | based firmly on something |
| 78. | seeming | appearing to be so |
| 79. | sound | logically solid and sensible |
| 80. | stand to reason | be logically expected |
| 81. | stand up | remain convincing under scrutiny |
| 82. | substantiated | supported by evidence |
| 83. | supportable | capable of being justified |
| 84. | tenable | able to be defended |
| 85. | thinkable | possible to imagine as true |
| 86. | to be expected | not surprising or unlikely |
| 87. | true-to-life | realistically accurate or believable |
| 88. | understandable | easy to make sense of |
| 89. | unforced | natural and not strained |
| 90. | valid | well-founded and acceptable |
| 91. | verified | checked and shown true |
| 92. | viable | capable of working successfully |
| 93. | warranted | supported by circumstances or facts |
| 94. | wash | be accepted as believable |
| 95. | well-founded | supported by good reasons |
| 96. | well-reasoned | supported by clear reasoning |
| 97. | well-supported | backed by good support |
| 98. | within reason | fairly sensible or believable |
| 99. | worthy of belief | deserving to be believed |
| 100. | worthy of credit | deserving acceptance as true |