| No. | Item | Definition |
|---|---|---|
| 1. | adult | fully grown; not a child |
| 2. | adultish | somewhat adult in manner |
| 3. | adultlike | like an adult in behavior |
| 4. | advanced | far along in development |
| 5. | age-appropriate | suitable for an adult audience |
| 6. | age-hardened | toughened by age |
| 7. | age-worn | showing effects of age |
| 8. | aged | old; having lived long |
| 9. | ageing | becoming older; maturing |
| 10. | aging | becoming older; maturing |
| 11. | blue | sexually indecent in language |
| 12. | come of age | reach adulthood or maturity |
| 13. | composed | calm; in control |
| 14. | considerate | mindful of others |
| 15. | cultivated | refined through education |
| 16. | dependable | can be relied on |
| 17. | developed | advanced in growth or progress |
| 18. | dirty | sexually obscene or vulgar |
| 19. | discerning | showing good judgment |
| 20. | earnest | serious and sincere |
| 21. | elder | older; more mature |
| 22. | elderly | old; advanced in age |
| 23. | experienced | having much practice or knowledge |
| 24. | explicit | openly sexual or graphic |
| 25. | finished | fully developed; complete |
| 26. | formed | fully developed in shape or character |
| 27. | fortified | strengthened by experience |
| 28. | fruition | fully developed; realized |
| 29. | full-grown | having reached full size |
| 30. | fully developed | complete in development |
| 31. | fully grown | having completed physical growth |
| 32. | grounded | sensible; realistic |
| 33. | grown | fully developed; no longer young |
| 34. | hardened | toughened by experience |
| 35. | informed | knowledgeable and sensible |
| 36. | initiated | experienced; no longer naive |
| 37. | integrated | well-balanced; fully developed |
| 38. | jaded | worn by experience; less naive |
| 39. | judicious | showing good judgment |
| 40. | knowing | shrewd; not easily fooled |
| 41. | knowledgeable | well-informed; experienced |
| 42. | laid-back | calm and unflappable |
| 43. | level-headed | sensible and calm |
| 44. | lewd | crude and sexually explicit |
| 45. | long in the tooth | old; no longer young |
| 46. | maturation | process of becoming mature |
| 47. | matured | became fully developed |
| 48. | maturing | becoming fully developed |
| 49. | measured | careful; not extreme |
| 50. | mellow | calm, relaxed, and mature |
| 51. | mindful | thoughtful and aware |
| 52. | moderate | not excessive; restrained |
| 53. | moderated | made less extreme; tempered |
| 54. | nonjudgmental | accepting; not quick to criticize |
| 55. | observant | quick to notice and understand |
| 56. | of age | legally adult; not underage |
| 57. | old enough | sufficiently grown or mature |
| 58. | old hand | experienced person |
| 59. | old-timer | someone long experienced |
| 60. | older | not young; more mature |
| 61. | orderly | well-organized and controlled |
| 62. | overripe | past peak maturity |
| 63. | poised | calm and self-assured |
| 64. | polished | smooth and sophisticated |
| 65. | practical | sensible and workable |
| 66. | prudent | careful and wise |
| 67. | racy | slightly sexually suggestive |
| 68. | raunchy | coarsely sexual or vulgar |
| 69. | realistic | practical; based on reality |
| 70. | refined | polished; not crude |
| 71. | reliable | dependable; trustworthy |
| 72. | reserved | not overly emotional |
| 73. | responsible | reliable; accountable |
| 74. | restrained | controlled; not excessive |
| 75. | ripe | fully developed; ready |
| 76. | ripened | made ripe; fully developed |
| 77. | risqué | slightly indecent; suggestive |
| 78. | sage | wise and experienced |
| 79. | salacious | arousing sexual interest, often crudely |
| 80. | seasoned | experienced; well-practiced |
| 81. | self-possessed | calmly confident; controlled |
| 82. | sensible | showing good judgment |
| 83. | serious | not playful; earnest |
| 84. | sincere | genuine; not superficial |
| 85. | sophisticated | cultured; not naive |
| 86. | stable | not easily changed or upset |
| 87. | steady | stable; not impulsive |
| 88. | suave | smoothly confident and polite |
| 89. | thoughtful | careful and considerate |
| 90. | trustworthy | deserving trust |
| 91. | urbane | suave and refined |
| 92. | well-advanced | far along in development |
| 93. | well-developed | developed to a high level |
| 94. | well-formed | properly developed or shaped |
| 95. | well-grown | grown well; fully grown |
| 96. | well-seasoned | highly experienced |
| 97. | wise | showing deep understanding |
| 98. | wiser | more wise; more mature |
| 99. | world-wise | wise from experience |
| 100. | worldly | experienced in life |
