adjective
comfortable
KUMF-ter-bul/ˈkʌmftəbl/
Free from discomfort or worry.
He feels comfortable in the cushioned armchair with his feet supported.

Etymology
The base meant to strengthen, with com- perhaps adding emphasis, and -able here indicates providing comfort. What first afforded mental or spiritual reassurance later also afforded physical ease.
In context
comfortable yet refined Furniture choices think deep plush sofas classic armchairs and well-proportioned seating that invites relaxation
More examples
- These shoes stay comfortable even after a long walk.
- Are you comfortable discussing your concerns with the group?
- Her steady income allows her to lead a comfortable life.
Forms
comfortable · more comfortable · most comfortable
comfortably adverb — With physical ease or freedom from worry.
comfort noun — A state of physical or mental ease.