1) Ably 2) Amply 3) Enough 4) Fully 5) Not too 1) Abundantly 2) Acceptably 3) Adequately 4) Amply 5) Effectively 6) Fully 7) Passably 8) Reasonably 9) Satisfactorily 10) Thoroughly 11) To a sufficient degree 12) Tolerably 
• (adv.) To a sufficient degree; to a degree that answers the purpose, or gives content; enough; as, we are sufficiently supplied with food; a man sufficiently qualified for the discharge of his official duties.
Suf·fi'cient·ly adverb To a sufficient degree; to a degree that answers the purpose, or gives content; enough; as, we are sufficiently supplied with food; a man sufficiently qualified for the discharge of his official duties. 
[adv] - to a sufficient degree
adverb to a sufficient degree; `she was sufficiently fluent in Mandarin`