Use 'cozily' to describe situations that give a sense of warmth, often physical but also emotional.

Feeling of Warmth

'Cozily' often reflects a home-like, inviting setting that makes one feel at ease.

Homey Atmosphere

It can describe an intimate and comfortable setting suitable for close friends or couples.

Intimate Settings

 that do a bunch of things, including raise your body temperature, cause inflammation and lower the pain threshold. Now, all enzymes have an active site. That's the place in the enzyme where the reaction happens. The active sites of COX-1 and COX-2 fit arachidonic acid very cozily.

How Do Pain Relievers...

 cozily reading books in their matching nightgowns. Camp was more like a keg party without any alcohol. And on the very first day, our counselor gathered us all together and she taught us a cheer that she said we would be doing