reversal, change, shift, transformation, flip, switch, rotation, pivot, U-turn, volte-face, about-face, reversion, inversion, flip-flop, backtrack, turnaround
retrieving - reclaiming - recovering - regaining - repossessing - recapturing - reacquiring - getting back - taking back - winning back - recouping - redeeming - restoring - reinstating - reobtaining - reattaining - reappropriating - reestablishing - reoccupying - reasserting - reaccessing - reharvesting - re-collecting - re-securing - re-procuring - re-possessing
The process of acquiring something once more or retrieving what was previously obtained. This can apply to various contexts such as reclaiming lost possessions, reacquiring knowledge, or regaining a certain status or position.