tranquilizer

advertiser, appetizer, atomizer, authorizer, bowdlerizer, catechizer, circumciser, civilizer, compromiser, criticizer, customizer, digitizer, dogmatizer, empathizer, energizer, enterpriser, equalizer, eulogizer, exerciser, fantasizer, fertilizer, formalizer, fraternizer, galvanizer, generalizer, glamorizer, Goldenweiser, harmonizer, humanizer, idealizer, idolizer, improviser, lionizer, maximizer, memorizer, mesmerizer, minimizer, modernizer, moisturizer, moralizer, nationalizer, nebulizer, neutralizer, normalizer, organizer, oxidizer, plagiarizer, poetizer, pollenizer, pressurizer, pulverizer, randomizer, rationalizer, scrutinizer, sermonizer, socializer, stabilizer, sterilizer, subsidizer, summarizer, supervisor, sympathizer, synchronizer, synthesizer, tantalizer, temporizer, tenderizer, theorizer, totalizer, tyrannizer, utilizer, vaporizer, verbalizer, victimizer, visualizer, vocalizer, vulcanizer, westernizer, womanizer