What is the noun form of comfortingly?

The Word 'comfortingly' is the adverb form of the adjective 'comforting'.

The Word 'comforting' is the present participle, present tense of the verb to comfort. The present participle of the verb also functions as an adjective and a noun called a gerund.

The Word 'comfort' is both a verb and a noun.

Examples:

The mother spoke comfortingly to her infant. (adverb)

She was comforting the frightened kitten in her lap. (verb)

They served a comforting beverage to their guests. (adjective)

I was so grateful for the comforting of my family. (noun)

Some cocoa with marshmallows will comfort my nerves. (verb)

There's nothing like the comfort of a fire on a cold night. (noun)

Another noun form of the verb to comfort is comforter.