General synonyms:
* Depose: This is a formal synonym, often used in political contexts.
* Topple: This implies a sudden and forceful removal from power.
* Subvert: This suggests a more insidious and gradual process of undermining authority.
* Overturn: This emphasizes the complete reversal of power.
* Displace: This suggests replacing one person or group with another.
* Unseat: This is a more informal synonym, often used in political contexts.
* Overcome: This is a more general synonym that can be used in other contexts besides politics.
More specific synonyms:
* Coup d'état: This refers to a sudden and illegal seizure of power.
* Revolution: This is a more widespread and prolonged upheaval.
* Insurrection: This is a violent uprising against authority.
The best synonym to use will depend on the specific situation and the nuance you want to convey.