antipsychotic, antipsychotic agent, antipsychotic drug, major tranquilizer, major tranquilliser, major tranquillizer, neuroleptic, neuroleptic agent, neuroleptic drug - tranquilizer used to treat psychotic conditions when a calming effect is desired

antianxiety drug, anxiolytic, anxiolytic drug, minor tranquilizer, minor tranquilliser, minor tranquillizer - a tranquilizer used to relieve anxiety and reduce tension and irritability

psychotropic agent - a chemical substance that can influence human consciousness

sedative-hypnotic, sedative-hypnotic drug - a sedative that depresses activity of the central nervous system and reduces anxiety and induces sleep