warrant
noun
verb
1 the charges warranted a severe sentence:
justify, vindicate, call for, sanction, validate, be a justification/reason for;
permit, authorize, entitle, empower;
uphold, condone, endorse, deserve, excuse, be a defense of, explain away, account for, offer grounds for, legitimize;
support, consent to, license, approve of;
merit, qualify for, rate, be worthy of, be worth, be entitled to, be deserving of.