ˈsə:tɪfaɪ v.tr. (-ies, -ied) 1
make a
formal statement of;
attest; attest to (certified
that he
had witnessed
the crime). 2
declare by
certificate (that a
person is qualified or competent) (certified as a trained bookkeeper). 3 officially declare
insane (he
should be certified). øcertified
cheque a cheque the validity of
which is guaranteed by a bank. certified mail US = recorded
delivery (see RECORD). certified
milk milk guaranteed
free from the
tuberculosis bacillus. [ME f. OF certifier f. med.L certificare f. L certus certain]