TEMPERAMENT

[noun] - the usual state of mind of a person or animal which is shown in the way that they behaveHe's got a fiery/excitable temperament. [C]She is quiet by temperament. [U]Judges are usually people of conservative temperament. [U]Labradors make good guide dogs because of their calm temperament. [U]The degree to which different people cope with stress depends on their temperament. [U]