encasement (noun)

1. The encasement of the fragile artwork in a glass frame adds an elegant touch to the overall design of the room.

2. The sacred relic was placed in a golden encasement and displayed with great reverence during the religious ceremony.

3. The superhero's costume included a high-tech encasement that protected him from any harm.

4. The designer's latest collection showcased avant-garde dresses with unconventional encasements, challenging the traditional notion of fashion.