1) Give 2) Invest with an estate 3) To give as a fief 
• (v. t.) To give in vassalage; to make subservient. • (v. t.) To give a feud, or right in land, to; to invest with a fief or fee; to invest (any one) with a freehold estate by the process of feoffment.
To provide a fief to a vassal.
En·feoff' transitive verb [ imperfect & past participle Enfeoffed ; present participle & verbal noun Enfeoffing .] [ Prefix en- + feoff , fief : confer Late Latin infeofare , Old French enfeffer , ...
verb put in possession of land in exchange for a pledge of service, in feudal society; `He enfeoffed his son-in-law with a large estate in Scotland`
to invest with a freehold estate in land. · to give as a fief.