I. noun
1.
Synonyms: pledge 1, earnest, pawn, security, token
2.
Synonyms: basis 3, foundation
3.
Synonyms: word 8, assurance, guarantee, pledge
II. verb
1.
Synonyms: maintain 2, argue, assert, claim, contend, defend, justify, vindicate
Related Word: state; assure, ensure, insure
2.
to give assurance of the worth of something especially in respect to quality, quantity, or condition
warranted the merchandise to be exactly as described in the catalog
Synonyms: certify, guarantee, guaranty
Related Word: assure, insure, secure; back, sponsor, stipulate; affirm, claim, state
Idioms: stand behind
3.
Synonyms: justify 4
Related Word: endorse; call (for), need, require