up to

up to
    adj 1: busy or occupied with; "what have you been up to?"; "up
           to no good"
    2: having the requisite qualities for; "equal to the task"; "the
       work isn't up to the standard I require" [syn: {adequate
       to(p)}, {capable}, {equal to(p)}, {up to(p)}]
    

68 Moby Thesaurus words for "up to":
      Byzantine, Machiavellian, able, adequate, alert for, ample,
      au fait, barely sufficient, before, calculating, capable,
      collusive, commensurate, competent, connivent, conniving,
      conspiring, contriving, corresponding, decent, designing, due,
      effective, effectual, efficacious, efficient, enough, equal to,
      fit, fitted, fitted for, good, good enough, in advance of,
      intriguing, journeyman, loaded for, minimal, minimum, plenty,
      plenty good enough, plotting, prepared for, prior to, productive,
      proficient, proportionate, qualified, ready for, satisfactory,
      scheming, stratagemical, substantial, sufficient, sufficient for,
      sufficing, suitable, suited, till, to, until, unto, up for,
      up to snuff, well-fitted, well-qualified, well-suited, worthy