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certify

cer·ti·fy

certify

 
pronunciation:
suhr tih faI
parts of speech:
transitive verb, intransitive verb
part of speech: transitive verb
inflections: certified, certifies, certifying
definition 1: to affirm the accuracy or certainty of, esp. in a formal manner; confirm.
synonyms:
authenticate, confirm, validate
similar words:
allege, approve, attest, attest to, certificate, corroborate, document, establish, substantiate, verify
definition 2: to formally endorse or guarantee.
He certified a check with his signature.The document was certified with an official seal.
synonyms:
endorse
similar words:
accredit, approve, assure, cosign, countersign, formalize, guarantee, notarize, qualify, seal, sign, undersign, underwrite, vouch for
definition 3: to attest to being of a guaranteed standard of quality.
lumber that has been certified
similar words:
accredit, guarantee, qualify, warrant
definition 4: to affirm or assure as definite or certain.
synonyms:
affirm, assure, guarantee
similar words:
allege, assert, asseverate
 
part of speech: intransitive verb
definition: to attest to or assure of the validity or accuracy of something.
synonyms:
attest, vouch
derivation: certifier (n.)