General synonyms:
* Deceive
* Delude
* Misinform
* Trick
* Betray (implies a violation of trust)
* Hoodwink (informal, implies clever trickery)
* Duped (implies being tricked)
* Lead astray
* Misdirect
More specific synonyms:
* Disorient (implies confusing someone about their surroundings)
* Manipulate (implies controlling someone for your own gain)
* Confuse (implies causing someone to be unsure)
* Distort (implies presenting information inaccurately)
* Fabricate (implies inventing information)
* Twist (implies changing the meaning of something)
The best synonym for "mislead" will depend on the specific context and the intended meaning.