garantir meaning in English

ensure [ensured, ensuring, ensures]▼(make sure or certain)
verb
[UK: ɪn.ˈʃʊə(r)] [US: en.ˈʃʊr]

guarantee [guaranteed, guaranteeing, guarantees]▼(to give an assurance that something will be done right)
verb
[UK: ˌɡæ.rən.ˈtiː] [US: ˌɡe.rən.ˈtiː]

vouch [vouched, vouching, vouches]▼(to affirm or warrant the correctness or truth of (something); also, to affirm or warrant (the truth of an assertion or statement))
verb
[UK: vaʊtʃ] [US: ˈvaʊtʃ]

warrant [warranted, warranting, warrants]▼(to guarantee)
verb
[UK: ˈwɒ.rənt] [US: ˈwɔː.rənt]