King James Dictionary 
To be enough or sufficient to be equal to the end proposed.
To recount Almighty works
What words or tongue of seraph can suffice?
Suffice, suffi'ze. To satisfy to content to be equal to the wants or demands of.
Let it suffice thee speak no more to me of this matter. Deuteronomy 3
Lord, show us the Father, and it sufficeth us. John 14 . Ruth 2 .
1. To afford to supply.
The pow'r appeas'd, with wind suffic'd the sail. Not in use.
Webster's Dictionary 
(1): ( v. t.) To satisfy; to content; to be equal to the wants or demands of.
(2): ( v. i.) To be enough, or sufficient; to meet the need (of anything); to be equal to the end proposed; to be adequate.
(3): ( v. t.) To furnish; to supply adequately.