Skilled or thoroughly competent in a particular activity. In predicative use. Chiefly with at or (less commonly) in (also occasionally †for, †of, †to…

Qualified by talent or ability; competent, capable, able. Obsolete.

Of persons: = sufficient, adj. 3.

absol. Having general capacity, intelligence, or ability; qualified, gifted, able, competent.

Satisfactory, but worthy of no stronger praise or recommendation; barely reaching an acceptable standard; just good enough.