(idea) by girlotron Wed Aug 23 2000 at 22:06:02
(verb) to suss out: to gain knowledge upon(something) to discover, establish or assess something by investigation or intuition.
e.g.: "I couldn't suss out his motives."
etym.: 1930s slang from 'suspect' or 'suspicion'(source Chambers)
I like it!