The Collaborative International Dictionary
                    Unmanacle
                    
                        
                
                                                                    Unmanacle \Un*man"a*cle\, v. t. [1st pref. un- + manacle.]
   To free from manacles. 
--Tennyson.
Wiktionary
                    unmanacle
                    
                        
                
                                                                    vb. (context transitive English) To release from manacles.
Usage examples of "unmanacle".
I looked at Miellyn, took her slender unmanacled hand in mine, and smiled as we walked through the gates of the city.
Then, to my shock, I saw him sitting unmanacled atop the main cargo hatch.