an arrangement (the more usual word)

personal temperament

all the characteristics that belong to an individual and that distinguish her or him from others

personality

the whole universe and every created thing; the qualities and characteristics, physical, mental and spiritual, which belong to a person or animal from birth; sort; kind

character, disposition

the practice, principle, of keeping out of arguments or disputes, especially between nations

abstention from interference

a (mentioned) state or condition of the mind; to harden (metal) by heating and cooling; to make (a judgement etc) less severe

state of mind

a person's personality or nature, especially as this affects her or his way of thinking, feeling and behaving

disposition, personality