Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb tranquillize

2 senses of tranquillize

Sense 1
calm, calm down, quiet, tranquilize, tranquillize, tranquillise, quieten, lull, still -- (make calm or still; "quiet the dragons of worry and fear")
       => comfort, soothe, console, solace -- (give moral or emotional strength to)

Sense 2
sedate, calm, tranquilize, tranquillize, tranquillise -- (cause to be calm or quiet as by administering a sedative to; "The patient must be sedated before the operation")
       => affect -- (act physically on; have an effect upon; "the medicine affects my heart rate")

Antonyms of adj tranquillizing

1 sense of tranquillizing

Sense 1
ataractic, ataraxic, sedative, tranquilizing, tranquillizing, tranquilising, tranquillising -- (tending to soothe or tranquilize; "valium has a tranquilizing effect"; "took a hot drink with sedative properties before going to bed")

INDIRECT (VIA depressant) -> stimulative -- (capable of arousing or accelerating physiological or psychological activity or response by a chemical agent)

Similarity of adj tranquillizing

1 sense of tranquillizing

Sense 1
ataractic, ataraxic, sedative, tranquilizing, tranquillizing, tranquilising, tranquillising -- (tending to soothe or tranquilize; "valium has a tranquilizing effect"; "took a hot drink with sedative properties before going to bed")
       => depressant (vs. stimulative) -- (capable of depressing physiological or psychological activity or response by a chemical agent)