Synonyms of warranting

1 Syllable
vow, claim, swear, back
2 Syllables
contend, permit, sponsor, assert, demand, defend, explain, avouch, argue, affirm, uphold, attest, pledge, state, sanction, maintain
3 Syllables
endorse, entitle, require, promise, commission, declare, certify, license, assure, approve, secure, insure, excuse, empower, guaranty, ensure
4 Syllables
underwrite, undertake, vindicate, stipulate, privilege, delegate
5 Syllables
necessitate