· 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"

Synonym(s): attest, manifest, demonstrate, evidence

Hypernym(s): testify, bear_witness, prove, evidence, show

· guarantee payment on; of checks

Hypernym(s): secure

· authorize officially; "I am licensed to practice law in this state"

Synonym(s): license, licence

Hypernym(s): authorize, authorise, pass, clear

Antonym(s): decertify

· guarantee as meeting a certain standard; "certified grade AAA meat"

Synonym(s): endorse, indorse

Hypernym(s): guarantee, warrant

· declare legally insane

Hypernym(s): declare, adjudge, hold