warmth

(noun) the sensation caused by heat energy. Synonyms: heat.

(noun) a warmhearted feeling. Synonyms: warmheartedness.

(noun) the quality of having a moderate degree of heat. Synonyms: warmness. Example: "An agreeable warmth in the house."

(noun) the trait of being intensely emotional. Synonyms: heat, passion.

(noun) a quality proceeding from feelings of affection or love. Synonyms: affectionateness, fondness, lovingness.