1) Break a tie 2) Get ready to take off 3) Loosen 4) Loosen a boot 5) Loosen a sneaker 6) Loosen in a certain way 7) Loosen in a way 8) Loosen, corset-style 9) Open 10) Prepare to remove 11) Prepare to remove a shoe 12) Prepare to remove oxfords 13) Prepare to slip off 14) Prepare to slip out of 15) Remove shoestrings 1) Loosen 2) Unbrace 3) Unlash 4) Untie 
• (v. t.) To loose, and take off, as a bonnet from a sail, or to cast off, as any lacing in any part of the rigging of a vessel. • (v. t.) To loose by undoing a lacing; as, to unlace a shoe. • (v. t.) To loose the dress of; to undress; hence, to expose; to disgrace.
[Othello] (185) to undo.
to loosen or undo the lacing or laces of (a pair of shoes, a corset, etc.). · to loosen or remove the garments of (a person) by or as if by undoing laces.