To wear or show something proudly, like clothes or a new haircut.
Sported can make people think of feeling good about themselves and wanting to show off something they like.
Examples:
She sported a new dress at the party.
He sported a big smile after winning the game.
The cat sported a shiny new collar.
The dog sported a funny hat at the park.
I sported a cape and pretended to be a superhero.
The bird sported bright feathers and sang a happy song.