has been certifying
-ha estado certificando
Present perfect progressive he/she conjugation of certify.
See all conjugations of certify

certify

Popularity
500+ learners.
TRANSITIVE VERB
(to confirm as valid)-certificar
Synonyms for certify
promise
prometer
approve
aprobar
attest
atestiguar
aver
afirmar
confirm
confirmar
endorse
endosar
guarantee
asegurar
legitimize
legitimar
okay
aprobar
ratify
ratificar
substantiate
confirmar
testify
atestiguar
uphold
conservar
verify
confirmar
vest
conferir
vindicate
justificar
Antonyms for certify
belie
contradecir
challenge
poner en duda
contest
disputar
deny
negar
disprove
refutar
dispute
discutir
invalidate
anular
refute
refutar
TRANSITIVE VERB
(to license)-habilitar
Synonyms for certify
legalize
legalizar
legitimize
legitimar
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