Thayer's Greek Lexicon

 1. whatever befalls one, whether it be sad or joyous
  1) spec. a calamity, mishap, evil, affliction
2. a feeling which the mind suffers
  1) an affliction of the mind, emotion, passion
  2) passionate deed
  3) used by the Greeks in either a good or bad sense
  4) in the NT in a bad sense, depraved passion, vile passions

For Synonyms see entry G5845