1) Answer 2) Be sufficient 3) French word used in English 4) Fulfil 5) Fulfill 6) Live up to 7) Satisfy 8) Serve 9) To be adequate 10) To be enough or sufficient 11) To be good enough 12) To content 13) To furnish 14) To meet the need 15) To satisfy 16) To supply adequately 1) Avail 2) Cutit 3) Do the trick 4) Fill the bill 5) Qualify 
• (v. t.) To furnish; to supply adequately. • (v. i.) To be enough, or sufficient; to meet the need (of anything); to be equal to the end proposed; to be adequate. • (v. t.) To satisfy; to content; to be equal to the wants or demands of.
Suf·fice' intransitive verb [ imperfect & past participle Sufficed ; present participle & verbal noun Sufficing .] [ Middle English suffisen , Old French soufire , French suffire (cf. suffisant , present par...Suf·fice' transitive verb 1. To satisfy; to content; to be equal to the wants or demands of. Spenser. « Let it suffice thee; speak no more unto me of this matter.» Deut. iii. 26. 2. To furnish; to supply adequately. [ Obsolete] « The power ap...
be enough 
[v] - be sufficient
be enough
[SBAC wordlist] be adequate, either in quality or quantity