Sufficient; all that is required, needed, or appropriate.
Stop! Don't do that any more!
Used after certain adverbs to emphasise that a quality is notable, unexpected, etc.
Fully; quite; used after adjectives to express slight augmentation of the positive degree, and sometimes equivalent to very.
Sufficiently.
A sufficient or adequate number, amount, etc.
An instance of being sufficient, or of doing something sufficiently.
In excess of what is required or sufficient.