Comfortableness

com·fort·a·ble  (kmfr-t-bl, kmft-bl, kmftr-)

adj.

1. Providing physical comfort: a comfortable chair.

2. Free from stress or anxiety; at ease: not comfortable about the interview.

3. Producing feelings of ease or security: a comfortable person; a comfortable evening at home.

4. Sufficient to provide financial security: comfortable earnings.

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comfort·a·ble·ness n.

comfort·a·bly adv.

Synonyms: comfortable, cozy, snug¹, restful
These adjectives mean affording ease of mind or body. Comfortable implies the absence of sources of pain or distress: wears comfortable clothes.
The word may also suggest peace of mind: felt comfortable with the decision.
Cozy suggests homey and reassuring ease: sat in a cozy nook near the fire.
Snug brings to mind the image of a warm, secure, compact shelter: children snug in their beds.
Restful suggests a quiet conducive to tranquillity: spent a restful hour reading.

Thesaurus

Noun	1.	comfortableness - a state of being relaxed and feeling no pain; "he is a man who enjoys his comfort"; "she longed for the comfortableness of her armchair" comfort condition, status - a state at a particular time; "a condition (or state) of disrepair"; "the current status of the arms negotiations" relief, ease - the condition of being comfortable or relieved (especially after being relieved of distress); "he enjoyed his relief from responsibility"; "getting it off his conscience gave him some ease" solacement, solace - comfort in disappointment or misery cosiness, coziness, snugness - a state of warm snug comfort convenience - the state of being suitable or opportune; "chairs arranged for his own convenience"
	2.	comfortableness - a feeling of being at ease in a relationship belonging - happiness felt in a secure relationship; "with his classmates he felt a sense of belonging"