'turnabout' definitions:

Definition of 'turnabout'

(from WordNet)
noun
A decision to reverse an earlier decision [syn: reversal, change of mind, flip-flop, turnabout, turnaround]
noun
Turning in the opposite direction [syn: reversion, reverse, reversal, turnabout, turnaround]

Synonyms of 'turnabout'

From: Moby Thesaurus