air, atmosphere, autumn, azure, background, beautiful, blue, clear, climate, cloud, cloudscape, cloudy, cumulus, day, environment, fluffy, form, formation, front, heaven, high, horizon, horizontal, image, landscape, light, moisture, natural, nature, outdoor, outside, perfect, perspective, scene, scenic, season, sky, soft, spring, summer, sun, sunlight, sunny, sunshine, texture, view, weather, white, sort, grammatical category, wetness, achiever, downy, category, twenty-four hours, mood, mental image, vicinity, pile, scenery, direction, perfective, paradise, tense, heap, fall, cheery, class, kind, eden, person
cumulus perfect blue sky with deep blue background