Main entry: demonstrate, manifest, attest, certify, evidence
Definition: provide evidence for; stand as proof of; show by one's behavior, attitude, or external attributes
Usage: 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
Main entry: certify
Definition: declare legally insane
Main entry: certify
Definition: guarantee payment on; of checks
Main entry: certify, licence, license
Definition: authorize officially
Usage: I am licensed to practice law in this state
Main entry: certify, indorse, endorse
Definition: guarantee as meeting a certain standard
Usage: certified grade AAA meat