To allow, accept or permit (something that is considered morally wrong, offensive, or generally disliked).
To forgive, excuse or overlook (something that is considered morally wrong, offensive, or generally disliked).
To forgive (marital infidelity or other marital offense).
To withdraw or repudiate a statement or opinion formerly expressed, especially formally and publicly.
To give a new cant (slant, angle) to something, in particular railway track on a curve.