Synonyms of circumstantiated

1 Syllable
sound
2 Syllables
factual, proven, truthful, learned, faithful, righteous, legit
3 Syllables
reliable, scholarly, authentic, detailed, trustworthy, attested, verified, supported, point-by-point, confirmed
4 Syllables
documented, accurate, veritable, validated, dependable
5 Syllables
authenticated, definitive
6 Syllables
authoritative