meaning of vassalage
1. The state of being a vassal, or feudatory.
2. Political servitude; dependence; subjection; slavery; as, the Greeks were held in vassalage by the Turks.
3. A territory held in vassalage.
4. Vassals, collectively; vassalry.
5. Valorous service, such as that performed by a vassal; valor; prowess; courage.
6. the state of a serf