Home of English Grammar

Grammar Guide
  • Home
  • Exercises
  • Matches
  • Rules
  • Tools
    • Grammar Checker
    • Very Replacer
    • Word Counter
  • Top Social Media Posts
  • Various Posts
  • Vocabulary
  • Writing Guides
  • Contact

100 Best Synonyms for “Legitimate”

May 28, 2026

100 Best Synonyms for

No. Item Definition
1. aboveboard open and honest
2. acceptable good enough to allow
3. admissible acceptable under rules or law
4. allowed given permission
5. approved officially accepted
6. attested officially confirmed
7. authentic truly what it claims
8. authorized officially allowed or approved
9. befitting appropriate to the situation
10. believable able to be believed
11. binding legally enforceable
12. bona fide genuine and sincere
13. by the book following the rules exactly
14. certified officially verified
15. chartered formally established by authority
16. clear-cut plain and unambiguous
17. commissioned officially authorized
18. compliant meeting required rules
19. confirmed shown to be true
20. conforming matching required standards
21. constitutional allowed by the constitution
22. decent morally acceptable
23. defensible able to be justified
24. due owed or proper
25. duly approved properly officially accepted
26. duly authorized properly given authority
27. endorsed publicly or officially approved
28. enforceable able to be upheld legally
29. equitable fair and impartial
30. established accepted and recognized
31. ethical morally right
32. fair just and reasonable
33. fitting suitable and proper
34. formal officially recognized
35. founded based on something sound
36. genuine real and not fake
37. grounded based on solid reasons
38. honest truthful and fair
39. honorable deserving respect for integrity
40. in compliance following required rules
41. in good standing officially acceptable status
42. in order properly arranged or valid
43. incontestable unable to be disputed
44. indisputable not open to doubt
45. institutional officially established
46. judicial recognized by courts
47. juridical relating to legal right
48. just morally right or fair
49. justified shown to be reasonable
50. kosher proper or acceptable
51. lawful allowed by law
52. legal recognized by law
53. legit genuine or lawful
54. licensed officially permitted to operate
55. licit not forbidden by law
56. moral concerned with right conduct
57. official approved by authority
58. okay acceptable or permitted
59. orderly following proper rules
60. orthodox accepted as correct
61. permissible allowed under rules
62. permitted allowed to happen
63. procedural following required process
64. proper socially or morally acceptable
65. properly grounded based on good reasons
66. provable able to be demonstrated true
67. ratified formally approved
68. real actual, not false
69. reasonable fair and sensible
70. recognized officially accepted as valid
71. regular properly established or normal
72. reliable dependably true or sound
73. respectable socially acceptable and decent
74. rightful having a just claim
75. sanctioned officially permitted
76. secure firmly established or valid
77. settled decided and established
78. sound reliable and sensible
79. statutory based on written law
80. substantiated supported by evidence
81. suitable right for the purpose
82. tenable able to be defended
83. true accurate or genuine
84. trustworthy deserving trust
85. truthful telling or showing truth
86. unassailable unable to be challenged
87. undeniable clearly true
88. unimpeachable beyond doubt or criticism
89. unquestionable not reasonably doubted
90. upright morally honorable
91. valid legally or logically acceptable
92. validated confirmed as sound
93. verifiable able to be checked
94. warrantable able to be justified
95. warranted reasonably supported or deserved
96. well-established firmly accepted
97. well-founded supported by good reasons
98. well-reasoned based on sound thinking
99. within the law not illegal
100. within the rules allowed by the rules
  • Share
  • Post
  • Post
  • Email
NEW: Try Matches, our daily vocabulary challenge. Pick a topic and level and match words with definitions to boost your vocabulary.
2,485,429 
761,532 
Improve Your Grammar
  • Download 2026 Grammar Guide (PDF)
  • Free Weekly Exercises & Vocabulary
  • Join over 3 Million English Learners
We respect your privacy. Unsubscribe anytime.

Grammar Checker

GrammarCheck.net - Try online
Hint → Bookmark GrammarCheck for future use.

Latest Posts

  • 100 Words to Describe Tasks May 28, 2026
  • Mixed Conditionals Exercise May 28, 2026
  • 100 Best Synonyms for “Legitimate” May 28, 2026
  • 100 Words Every Band Member Should Know May 28, 2026
  • A historic or an historic: which one is correct? May 28, 2026
  • 100 Best Synonyms for “Oppressive” May 28, 2026
  • 100 Words Every Homesteader Should Know May 28, 2026

Copyright © 2026 · EnglishGrammar.org
Disclaimer · Privacy Policy · Sitemap · Terms

Improve Your Grammar
  • Download 2026 Grammar Guide (PDF)
  • Free Weekly Exercises & Vocabulary
  • Join over 3 Million English Learners
We respect your privacy. Unsubscribe anytime.