i Register
In some senses, tranquilizing is marked as literary. Watch for register when choosing this word.
adj
Of a drug: having the effect of calming a person or animal, or putting them to sleep; sedating, sedative.
Having the effect of making someone or something tranquil; calming, soothing.
In a preceding paper I have spoken of an English Sunday in the country, and its tranquilizing effect upon the landscape; but where is its sacred influence more strikingly apparent than in the very heart of that great Babel, London?
noun
gerund of tranquilize
gerund of tranquilize