• the envelope of gases surrounding the earth or another planet

Synonyms: air, aerosphere, airspace, sky

• the pervading tone or mood of a place, situation, or creative work

Synonyms: ambience, aura, climate, air, mood, feel, feeling, character, tone, overtone, undertone, tenor, spirit, quality, aspect, element, undercurrent, flavour, colour, colouring, look, impression, suggestion, emanation