Synonyms and related words :
be abstracted, be innocent of, brood, chew the cud, consider, contemplate, coquet, coquet with, dabble, dally, debate, deliberate, digest, fiddle, fiddle with, fiddle-faddle, fidget with, finger with, flirt, fool, fool around, fool with, fribble, frivol, give up, have no idea, horse around, idle, introspect, jerk off, kid around, know a little, know not, know not what, know nothing of, loiter, meditate, mess around, monkey, monkey around, muse, not know, not rightly know, pass, perpend, piddle, play, play around, play around with, play with, ponder, potter, putter, reflect, ruminate, scratch the surface, smatter, speculate, study, tinker, toy, trifle, twiddle, weigh, wonder, wonder whether, wot not of