Com·fort·a·ble·ness, n. State of being comfortable.
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  comfortableness
       n 1: 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" [syn: comfort] [ant:
            discomfort]
       2: a feeling of being at ease in a relationship