Contentment, ease.

“Sleep in comfort with our new mattress.”

Something that offers comfort.

“the comforts of home”

A consolation; something relieving suffering or worry.

“We still have the spare tire? That's a comfort at least.”

To relieve the distress or suffering of; to provide comfort to.

“Rob comforted Aaron because he was lost and very sad.”

To make comfortable.

To make strong; to invigorate; to fortify; to corroborate.