self-assertion
noun
insistence on or an expression of one's own importance, wishes, needs, opinions, or the like.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Everything on table showy and gaudy, but with a self-assertingly temporary and nomadic air on the decorations, as boasting that they will be much more showy and gaudy in the palatial residence.
From Our Mutual Friend by Charles Dickens