(n): the act of changing something into something different in essential characteristics
(n): an unfortunate happening that hinders or impedes; something that is thwarting or frustrating
(n): an event that happens
(n): turning in an opposite direction or position
(n): a movement in a new direction
(n): a decision to reverse an earlier decision
(n): the cognitive process of reaching a decision
(n): a judgment by a higher court that the judgment of a lower court was incorrect and should be set aside
(n): (law) the determination by a court of competent jurisdiction on matters submitted to it
(n): turning in the opposite direction
(n): the act of changing the direction in which something is oriented
(n): the act of reversing the order or place of
(n): a rearrangement in a different order
(n): a major change in attitude or principle or point of view
(n): the action of changing something