46 entries under valid topic. ×
| authoritative(adjective, good, sound, correct, right) | |
| authorized(adjective, fair, government, legal) | |
| legitimate(adjective, sound, right, proper, straight) | |
| legal(adjective, good, sound, correct, right) | |
| regular(adjective, correct, exact, proper, common) | |
| judicial(adjective, proper, court, justice) | |
| lawful(adjective, good, sound, correct, right) | |
| canonical(adjective, sound, proper, reliable, accepted) | |
| reliable(adjective, honest, pure, true, original) | |
| accredited(adjective, honest, reliable, legal) | |
| certain(adjective, honest, pure, true, straight) | |
| constitutional(adjective, regular, court, justice) | |
| normal(adjective, lawful, rightful) | |
| sure(adjective, pure, original, real, genuine) | |
| veritable(adjective, pure, original, real, genuine) | |
| faithful(adjective, pure, original, real, genuine) | |
| natural(adjective, honest, pure, true, real) | |
| statutory(adjective, regular, court, authentic) | |
| authenticated(adjective, honest, certain, true, original) | |
| dependable(pure, original, real, genuine) |
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| APA | Smart Define. (2015). official thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/official/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "official thesaurus" https://smartdefine.org/official/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, official thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/official/thesaurus/synonyms>. |
| MLA | Smart Define. "official thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/official/thesaurus/synonyms> |