гарантирам означава в английски

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

safeguard [safeguarded, safeguarding, safeguards]▼(to protect, to keep safe)
verb
[UK: ˈseɪf.ɡɑːd] [US: ˈseɪf.ˌɡɑːrd]

secure [secured, securing, secures]▼(To make secure)
verb
[UK: sɪ.ˈkjʊə(r)] [US: sɪ.ˈkjʊr]

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]