General synonyms:
* Surrendered
* Relinquished
* Transferred
* Conceded
* Yielded
* Gave up
* Turned over
More specific synonyms:
* Granted (if referring to a right or privilege)
* Abdicated (if referring to a territory)
* Devolved (if referring to power)
* Alienated (if referring to land)
Example:
* Original sentence: The country ceded its claim to the disputed territory.
* Synonym used: The country surrendered its claim to the disputed territory.
The best synonym to use will depend on the specific context of the sentence.