The natural world
The natural world, Mother Nature, the world, the earth, the universe, natural forces, flora and fauna, landscape, the living world, creation, the environment, Mother Earth, the cosmos, wildlife, countryside, and scenery.
Essence
Essence, character, complexion, sort, variety, category, class, species, style, order, mould, grain, sum and substance, identity, kind, type, description, ilk, classification, genre, cast, kidney, stamp, and stripe.
Character
Character, disposition, temper, make-up, persona, constitution, personality, temperament, humour, cast/turn of mind, psyche, and fibre.