Antonyms for Tangle (opposite meaning)
WordNet sense 1 (disentangle):
unravelWordNet sense 2 (become or cause to become undone by separating the fibers or threads of):
unscramble, untangle, unknot, unpickWordNet sense 3 (extricate from entanglement):
disentangle, unsnarlFrom the ODE community, based on WordNetadd/edit