Synonyms of justify in English:

justify


See US English definition of justify

See UK English definition of justify

See Spanish definition of justificar

verb

1‘marketing directors were pressed to justify the expenditure’

SYNONYMS
give grounds for, give reasons for, give a justification for, show just cause for, explain, give an explanation for, account for, prove to be reasonable, show to be reasonable, provide a rationale for, rationalize
defend, answer for, vindicate, substantiate, uphold, sustain
establish, legitimize, legitimatize

2‘the situation was grave enough to justify further investigation’

SYNONYMS
warrant, be good reason for, be a justification for
bear out, confirm, validate