abandon

To give up or relinquish control of, to surrender or to give oneself over, or to yield to one's emotions.

[…] he abandoned himself […] to his favourite vice.

To desist in doing, practicing, following, holding, or adhering to; to turn away from; to permit to lapse; to renounce; to discontinue.

In order to grant the rich these pleasures, the social contract is reconfigured. […] The public realm is privatised, the regulations restraining the ultra–wealthy and the companies they control are abandoned, and Edwardian levels of inequality are almost fetishised.

To leave behind; to desert, as in a ship, a position, or a person, typically in response to overwhelming odds or impending dangers; to forsake, in spite of a duty or responsibility.

Many baby girls have been abandoned on the streets of Beijing.

He was abandoned on the island with no one to help him.

To subdue; to take control of.

To cast out; to banish; to expel; to reject.

Being all this time abandoned from your bed.

A yielding to natural impulses or inhibitions; freedom from artificial constraint, with loss of appreciation of consequences. (Now especially in the phrase with abandon.)

with gay abandon, with wild abandon

The Italian painters have an abandon in their chiar' oscuro which mellows up their flesh tints in a way that no other school can imitate : the frigidity of their outline is another remarkable feature, and the harmony of their impasto is unique.

Abandonment; relinquishment.