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).
Euphemism for fuck, screw (a mild oath).
To lose remembrance of.
To unintentionally not do, neglect.
To unintentionally leave something behind.
To cease remembering.