Thayer's Greek Lexicon

 1. to cause to stray, to lead astray, lead aside from the right way
  1) to go astray, wander, roam about
2. metaph.
  1) to lead away from the truth, to lead into error, to deceive
  2) to be led into error
  3) to be led aside from the path of virtue, to go astray, sin
  4) to sever or fall away from the truth
2d1. of heretics
  5) to be led away into error and sin