Verb certify has 5 senses
  1. attest, certify, manifest, demonstrate, evidence - provide evidence for; stand as proof of; show by one's behavior, attitude, or external attributes; "His high fever attested to his illness"; "The buildings in Rome manifest a high level of architectural sophistication"; "This decision demonstrates his sense of fairness"
    --1 is one way to testify, bear witness, prove, evidence, show
    Derived form: noun certification2
    Sample sentence:
    They certify that there was a traffic accident
  2. certify - guarantee payment on; of checks
    --2 is one way to
    secure
    Derived forms: noun certification4, noun certificate2
    Sample sentence:
    Somebody ----s something
  3. license, licence, certify - authorize officially; "I am licensed to practice law in this state"
    --3 is one way to authorize, authorise, pass, clear
    Antonyms: decertify, derecognize, derecognise
    Derived forms: noun certification3, noun certification4, noun certification1
    Sample sentences:
    Somebody ----s something
    Somebody ----s somebody
    Somebody ----s somebody to INFINITIVE
  4. certify, endorse, indorse - guarantee as meeting a certain standard; "certified grade AAA meat"
    --4 is one way to guarantee, warrant
    Derived forms: noun certification3, noun certification4, noun certification1, noun certificate1
    Sample sentences:
    Somebody ----s something
    Somebody ----s that CLAUSE
  5. certify - declare legally insane
    --5 is one way to
    declare, adjudge, hold
    Sample sentence:
    Somebody ----s somebody
,
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