doubted

distrust hesitate impugn suspect

challenge demur disbelieve discredit dispute fear fluctuate imagine insinuate misgive mistrust query scruple surmise vacillate waver

be apprehensive of be curious be dubious be in a quandary be puzzled be uncertain be undetermined call in question give no credence harbor suspicion have qualms misdoubt not buy read differently shilly-shally skepticize smell a rat take dim view of wonder at

trust

agree answer believe go along remain stay

be certain not question rely