posologist (noun) druggist: pharmacist
Detalii: in the US, one says druggist, but chemist in the UK; pharmacist is a formal term in both countries and apothecary is the old-fashioned term
Sinonime: be apprehensive of, be curious, be dubious, be in a quandary, be puzzled, be uncertain, be undetermined, call in question, challenge, demur, disbelieve, discredit, dispute, distrust, fear, fluctuate, give no credence, harbor suspicion, have one's doubts, have qualms, hesitate, imagine, impugn, insinuate, misgive, mistrust, not buy, query,
question, read differently, scruple, shilly-shally, skepticize, smell a rat, surmise, suspect, take dim view of, vacillate, waver,
wonder, wonder at