Merriam-Webster Collegiate Dictionary - sufficient

 adjective  Etymology: Middle English, from Latin ~-, sufficiens, from present participle of sufficere  Date: 14th century  1.  a. enough to meet the needs of a situation or a proposed end ~ provisions for a month  b. being a ~ condition  2. archaic qualified, competent  • ~ly adverb Synonyms:  ~, enough, adequate, competent mean being what is necessary or desirable. ~ suggests a close meeting of a need ~ savings. enough is less exact in suggestion than ~ do you have enough food?. adequate may imply barely meeting a requirement the service was adequate. competent suggests measuring up to all requirements without question or being adequately adapted to an end had no competent notion of what was going on.