- valid
- adj1. sound, solid, well-grounded, well-founded, reasonable, logical; factual, accurate, correct, truthful, veracious, Obs. veritable; warrantable, certifiable, authorizable; justifiable, vindicable, excusable, explainable, explicable, accountable.2. just, equitable, fair, impartial, objective, unbiased; upright, honest, scrupulous; right, proper, appropriate, apt, fitting, meet.3. effective, effectual, efficacious, forceful, forcible, powerful, potent, Literary. puissant, vigorous, strong; cogent, persuasive, convincing, believable, credible; conclusive, decisive, determining, definitive, final; substantiative, corroborative, corroboratory, sustaining.4. authoritative, official, certified, licensed, accredited, validated, notarized, attested, endorsed; substantiated, documented, circumstantiated; scientific, tested, proven, verified, authenticated, confirmed, demonstrated, established, probative, probatory, (of wills) Law. probated; substantial, substantive, material, weighty, heavy, grave; significant, consequential, momentous, important; pertinent, apposite, to the point, applicable, relevant, related, relative, germane.5. lawful, legal, licit, contitutional, statutory, by the book; sanctioned, authorized, warranted, approved, countenanced; dependable, supportable, provable, sustainable; obligatory, binding, contractual; legitimate, vested, rightful, real, actual, true, authentic, genuine, Inf. kosher.
A Note on the Style of the synonym finder. 2014.