certify
— Verb
– English
~ guarantee payment on; of checks
certify
— Verb
– English
~ 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"
certify
— Verb
– English
~ authorize officially; "I am licensed to practice law in this state"