Used other than figuratively or idiomatically: see go, west.
Synonym of set: to move toward the western horizon, to go down.
To move to the American West, particularly (historical) during the 19th century era.
To metaphorically surrender, yield control or possession.
To give up, abandon or retire from something. To trade away.
To let go (free, away), physically release.
To accept to give up, withdraw etc.