Answer: affirmed

AnswerCrossword Clue
AFFIRMED1978 Triple Crown winner
AFFIRMEDTestified (1978)
AFFIRMEDDeclared
AFFIRMEDSwore
AFFIRMEDTOOK AN OATH
AFFIRMED[1978]
affirmedto declare formally
affirmedto confirm
affirmedto state something solemnly
affirmedAFFIRM, to state positively