What is the meaning of Tranquilize?

To calm (a person or animal) or put them to sleep using a tranquilizer dart.

To make (something or someone) tranquil.

To become tranquil.

To dart (a person or animal) with a sedative

Thomas Blount, Glossographia, London: George Sawbridge, 1661: “Tranquillize [] to make quiet, still or calm, to cause tranquility.”

inflection of tranquilizar:

  1. first/third-person singular present subjunctive
  2. third-person singular imperative

first/third-person singular present subjunctive

third-person singular imperative

Source: wiktionary.org