Ambient

1. (a.) Encompassing on all sides; circumfused; investing.

2. (n.) Something that surrounds or invests; as, air . . . being a perpetual ambient.

Thesaurus Entries

ambience, atmosphere, circling, circumambient, circumferential, circumflex, circumfluent, circumfluous, circumjacent, climate, embracing, encircling, enclosing, encompassing, enfolding, enveloping, environing, medium, milieu, mise-en-scene, neighboring, peripheral, roundabout, suburban, surrounding, surroundings, wrapping