reversal

[1]	reverse , turn-about , turn-round , U-turn , change , volte-face , (complete) switch , (Brit) about-turn , (US) about-face
[2]	annulment , reverse , setback , nullification , nulling , blow , black eye , cancellation , revocation , repeal , rescission
[3]	turn around
[4]	change of mind , flip-flop , turnabout , turnaround
[5]	reversion , reverse , turnabout , turnaround
[6]	transposition
[7]	about-face , volte-face , policy change