Synonyms of up to

Adjective

1. up to, busy (vs. idle)

usage: busy or occupied with; "what have you been up to?"; "up to no good"

2. adequate to(predicate), capable, equal to(predicate), up to(predicate), adequate (vs. inadequate), equal

usage: having the requisite qualities for; "equal to the task"; "the work isn't up to the standard I require"