certain
I
(fixed) adjective
absolute, assured, attested, certified, changeless, conclusive, confident, confirmed, decided, decisive, definite, determinate, determined, firm, guaranteed, incontestable, incontrovertible, indisputable, indubitable, inescapable, inevitable, infallible, irrefragable, irrefutable, official, positive, reliable, settled, stable, static, sure, unambiguous, unanswerable, unappealable, unavoidable, unchanging, undeniable, undisputed, unerring, unfailing, unmistakable, unpreventable, unquestionable, unquestioned
associated concepts: absolutely certain, capable of being rendered certain, certain powers and privileges, sum certain
II
(particular) adjective
certus, distinct, especial, exact, exclusive, individual, marked, peculiar, precise, singular, special, specific, specified, unique
III
(positive) adjective
absolute, actual, ascertained, assertive, assured, attested, authoritative, avoidless, axiomatic, beyond a shadow of doubt, beyond all dispute, beyond all question, capable of proof, certified, certus, changeless, clear, clear-cut, clearly known, cognizant, conclusive, concrete, confident, consistent, convinced, correct, credulous, decided, decisive, definite, demonstrable, demonstrated, dependable, distinct, doubtless, ensured, established, evident, evidential, existing, factual, final, fully convinced, guaranteed, inalterable, inappealable, incommutable, incontestable, incontrovertible, inconvertible, indefeasible, indestructible, indisputable, indubitable, inerrant, inescapable, inevitable, inexorable, inextinguishable, infallible, inflexible, invariable, inviolate, invulnerable, irreducible, irrefragable, irrefutable, irresistible, irresoluble, irreversible, irrevocable, knowing, past dispute, persuaded, questionless, real, reliable, right, satisfied, secure, self-evident, settled, stated, sure, tangible, true to the facts, unaltered, unambiguous, unassailable, unavoidable, unchangeable, unconfuted, undeniable, undeviating, undisputed, undoubted, undoubtful, undoubting, unequivocal, unerring, unfailing, unhesitating, unimpeachable, unmistakable, unqualified, unquestionable, unquestioned, unrefuted, unshakable, unsusceptible of change, unvarying, unwavering, valid, veracious, verifiable, void of suspicion
associated concepts: capable of being rendered certain
IV
(specific) adjective
appropriate, ascertained, assigned, bounded, categorical, characteristic, choice, circumscribed, clear-cut, clearly defined, clearly stated, concrete, definite, designated, determinate, distinct, distinguished, esoteric, especial, exact, exclusive, explicit, express, expressed, fixed, individual, limited, marked, noteworthy, particular, peculiar, precise, prescribed, quidam, respective, restricted, select, settled, singular, special, specified, stated, well-defined
V
index
absolute (conclusive), actual, affirmative, axiomatic, conclusive (determinative), concrete, constant, convincing, corporeal, de facto, decisive, definite, dependable, dogmatic, explicit, express, incontrovertible, indubious, inevitable, irrefutable, lucid, necessary (inescapable), official, palpable, peremptory (absolute), pertinacious, positive (confident), positive (incontestable), reliable, resounding, safe, secure (confident), several (plural), several (separate), special, specific, tangible, true (authentic), unalienable, unambiguous, unavoidable (inevitable), undeniable, undisputed, unequivocal, unmistakable, unrefutable
Burton's Legal Thesaurus.
William C. Burton.
2006