| No. | Item | Definition |
|---|---|---|
| 1. | abiding | continuing without change |
| 2. | anchored | firmly secured in place |
| 3. | balanced | kept in proper equilibrium |
| 4. | braced | supported to prevent movement |
| 5. | buttressed | strengthened with support |
| 6. | calm | free from agitation |
| 7. | cast-iron | very dependable and firm |
| 8. | cemented | firmly fixed together |
| 9. | certain | fixed and not doubtful |
| 10. | clamped | held tightly in position |
| 11. | collected | calm and in control |
| 12. | composed | calm and self-controlled |
| 13. | consistent | acting or occurring reliably |
| 14. | constant | remaining the same over time |
| 15. | controlled | kept steady or limited |
| 16. | deep-rooted | firmly established over time |
| 17. | dependable | consistently trustworthy or reliable |
| 18. | durable | able to last well |
| 19. | embedded | fixed deeply in place |
| 20. | enduring | lasting over time |
| 21. | entrenched | firmly established and hard to change |
| 22. | equable | calm and even-tempered |
| 23. | equilibrium | state of balanced stability |
| 24. | established | firmly accepted or settled |
| 25. | even | level and regular |
| 26. | failsafe | designed to avoid failure |
| 27. | fast | firmly fixed or attached |
| 28. | fastened | securely attached or closed |
| 29. | firm | solid and not likely to move |
| 30. | fixed | set and not changing |
| 31. | foolproof | unlikely to fail or err |
| 32. | freestanding | standing without support |
| 33. | functional | working properly and reliably |
| 34. | grounded | firmly based or settled |
| 35. | hardy | tough and enduring |
| 36. | held steady | kept from changing |
| 37. | immobile | unable or unlikely to move |
| 38. | immutable | unable to be changed |
| 39. | in equilibrium | in balanced condition |
| 40. | inflexible | not bending or changing |
| 41. | ironclad | firmly binding or secure |
| 42. | lasting | continuing for a long time |
| 43. | latched | fastened with a latch |
| 44. | level | flat, even, or steady |
| 45. | levelheaded | calm and sensible |
| 46. | locked | secured against movement |
| 47. | maintained | kept at the same level |
| 48. | moderated | kept within steady limits |
| 49. | moored | secured in position |
| 50. | motionless | completely still |
| 51. | nailed down | firmly fixed in place |
| 52. | on an even keel | in a balanced state |
| 53. | operational | working and ready for use |
| 54. | permanent | lasting indefinitely |
| 55. | persistent | continuing steadily |
| 56. | placid | calm and not easily upset |
| 57. | poised | balanced and self-assured |
| 58. | predictable | behaving in expected ways |
| 59. | preserved | kept in original state |
| 60. | quiet | calm and undisturbed |
| 61. | regular | consistent and predictable |
| 62. | reinforced | made stronger with support |
| 63. | reliable | able to be trusted consistently |
| 64. | resilient | able to recover and remain strong |
| 65. | rigid | stiff and not flexible |
| 66. | robust | strong and unlikely to fail |
| 67. | rock-solid | extremely firm and reliable |
| 68. | rooted | firmly established or fixed |
| 69. | rugged | strong and able to endure |
| 70. | secure | safe and firmly fixed |
| 71. | self-supporting | able to stand alone |
| 72. | serene | peaceful and untroubled |
| 73. | settled | established and not changing |
| 74. | solid | strong and dependable |
| 75. | sound | reliable and in good condition |
| 76. | stationary | not moving from place |
| 77. | steady | not changing or shaking |
| 78. | still | not moving at all |
| 79. | sturdy | strongly built and steady |
| 80. | tempered | made balanced or controlled |
| 81. | tough | strong and resistant |
| 82. | tranquil | calm and undisturbed |
| 83. | true | accurate and correctly aligned |
| 84. | trustworthy | deserving confidence and trust |
| 85. | unchanged | remaining the same |
| 86. | unchanging | not altering over time |
| 87. | underpinned | strengthened from below |
| 88. | unfaltering | not weakening or wavering |
| 89. | uniform | staying the same throughout |
| 90. | unmoved | not shifted or affected |
| 91. | unshaken | not disturbed or weakened |
| 92. | unwavering | firm and not changing |
| 93. | viable | capable of continuing successfully |
| 94. | watertight | secure against leaks or flaws |
| 95. | well-balanced | properly balanced and steady |
| 96. | well-built | strongly made and durable |
| 97. | well-founded | supported by solid reasons |
| 98. | well-rooted | deeply established |
| 99. | well-set | firmly positioned |
| 100. | workable | practical and dependable |
