Collocations for disposition - noun

cheerful, cheery (AmE), happy, pleasant, sunny, sweet
friendly
gentle
nervous
melancholic (esp. AmE), melancholy (esp. BrE)
nasty, sour (both AmE)
genetic, natural
Do people have a natural disposition to be good?

have, show
These dogs show a very sociable disposition.

of a … disposition
This movie is not recommended for those of a nervous disposition.