Dignity of style or manner; serious or grave character. Frequently in a negative sense: pompousness, grandiosity, self-importance.

A sense, esp. an exaggerated one, of one's own importance; behaviour or an attitude originating in or expressive of this; conceitedness, vanity.

An (exaggerated) sense of one's own consequence; self-importance.

Assumed importance, consequentiality.

The quality of being consequential or important; air or assumption of importance.

Important or self-important quality or personality; = consequentiality, n. 2.