General:
* Leave: This is a general term for departing a place.
* Withdraw: This implies a strategic retreat.
* Evacuate: This suggests a hasty departure due to danger or threat.
* Retreat: This implies a tactical withdrawal from a hostile situation.
Specific:
* Defend: If you're talking about invading a country, the antonym could be defending it.
* Liberate: If you're talking about an invasion aimed at subjugating a people, the antonym could be liberating them.
* Respect: If you're talking about invading someone's privacy, the antonym could be respecting their boundaries.
Other options:
* Enter peacefully: This emphasizes the lack of force or aggression.
* Respect boundaries: This implies a more nuanced understanding of the situation.
To choose the best antonym, you need to consider the specific context of the word "invade" in your sentence.