befæstan

Etymology
From, equivalent to ang.

Verb

 * 1)  to fasten; fix; ground; establish; make safe; put in safe keeping
 * 2)  to apply; utilize; commend; entrust to
 * 3)  to commit
 * 4) * late 9th century, King Alfred's translation of Saint Augustine's Soliloquies
 * "ang"

- ...Gyf ðū ēnigne gōdne heorde hæbbe þe wel cunne healdan þæt þæt þū gestrēone and him befæste, scēawa hyne me;