Answer: knew

AnswerCrossword Clue
KNEWHad no doubt
KNEWWas positive of
KNEWHad the answer
KNEWIntuited
KNEWHad no doubts about
KNEWWasn't guessing
KNEWWas friends with
KNEWHad a feeling
KNEWHad down pat
KNEWHad memorized
KNEWExperienced
KNEWRaised one's hand, ostensibly
KNEWWas in on
KNEWHad inside information
KNEWWas privy to
KNEWNever had a doubt about
KNEWHad learned
KNEWDidn't just guess
KNEWHad down
KNEWHad it down
knewpast tense of know
KNEWWas sure
KNEWFelt in one's bones
KNEWWas familiar with
KNEWWas positive
KNEWWas acquainted with
KNEWRecognized
KNEWFelt certain
KNEWWas sure about
KNEWHad the facts
KNEWUnderstood
KNEWWas aware of
KNEWMore than suspected
KNEWDidn't need to guess
KNEWWas certain of
KNEW"... Yorick! I .. him, Horatio": Hamlet
KNEWWas certain
KNEWGot the picture
KNEWHad down cold
KNEWWas aware