3 synonym groups for Confirmation

confirmed, validated, verified, substantiated, corroborated, endorsed, supported, upheld, ratified, authenticated, attested, certified, established, acknowledged, accepted, recognized, approved, sanctioned, agreed, conceded, admitted, avowed, professed, declared, stated, asserted, maintained, proclaimed, pronounced, testified, vouched, guaranteed, warranted, evidenced, demonstrated, proved, shown, manifested, exhibited, revealed, disclosed, confessed, owned, owned up, confessed to, conceded to, acknowledged to, admitted to [x]

certain, positive, confident, assured, convinced, definite, secure, unwavering, unquestionable, reliable, dependable, guaranteed, unfailing, inevitable, indisputable, undeniable, unerring, infallible, unshakeable, firm, resolute, steadfast, determined, decided, settled, fixed, set, clear, obvious, evident, manifest, apparent, unmistakable, plain, clear-cut, distinct, explicit, categorical, absolute, unambiguous, unequivocal, assuredly, undoubtedly, unquestionably, without doubt, beyond doubt, beyond question, for sure, for certain, without fail [x]

asserts, declares, states, confirms, maintains, avows, professes, upholds, supports, endorses, attests, testifies, certifies, verifies, corroborates, substantiates, ratifies, acknowledges, recognizes, accepts, approves, sanctions, backs, champions, advocates, vouches, guarantees, pledges, swears, insists, reiterates, emphasizes, stresses, pronounces, proclaims, announces, avers, asseverates, warrants, defends, justifies, argues, contends, espouses [x]