deck out (verb)

1. In the fantasy realm of elves and dragons, she decked out in a magnificent gown woven with silver threads.

2. Cosplaying as their favorite anime character, the teenagers decked out in elaborate costumes and colorful wigs.

3. To attend the sci-fi convention, he decked out in a futuristic jumpsuit and LED-lit shoes.

4. The luxurious mansion was decked out with crystal chandeliers, marble floors, and opulent furnishings.