unfetter

verb (used with object)

1. to release from fetters.
2. to free from restraint; liberate.

verb (tr)

1. to release from fetters, bonds, etc
2. to release from restraint or inhibition

v.mid-14c., from un- (2) “opposite of” + fetter (v.). The figurative sense is recorded from late 14c. Related: Unfettered; unfettering.