is a specific kind of: trait.

is a broader term that covers: drama | demonstrativeness | affectionateness, fondness, lovingness, warmth | drippiness, mawkishness, mushiness, sentimentality, sloppiness, soupiness | heat, passion, warmth | temperament | excitability, excitableness, volatility.

is an attribute of: emotional | unemotional | hot | cold | warm | cool.

is the opposite of: emotionlessness, unemotionality.

derivation: aroused, emotional, excited, worked up | emotional | emotional.