What is an antonym for wincing?

There isn't a perfect one-word antonym for "wincing," as it implies a physical or emotional reaction to something unpleasant. However, here are some words that express the opposite sentiment:

For physical wincing:

* Grinning: Smiling broadly, often with pleasure or amusement.

* Beaming: Smiling radiantly, expressing happiness.

* Relaxing: Releasing tension and easing discomfort.

For emotional wincing:

* Enjoying: Experiencing pleasure or satisfaction.

* Relishing: Taking great pleasure in something.

* Embracing: Accepting something willingly and enthusiastically.

The best antonym will depend on the specific context in which "wincing" is used.