Noun
1. writ
2. judicial writ, stock warrant
3. stock-purchase warrant, security, surety, sanction
4. countenance, endorsement, indorsement, imprimatur, approval, commendation, guarantee
Verb
1. warrantee, warranty, assurance, pledge, justify
2. confirm, reassert, guarantee
2. back, endorse, indorse, plump for, plunk for, support