Creative

1. Tending to create things, or having the ability to create; often, excellently, in a novel fashion, or any or all of these.
2. (of a created thing) Original, expressive and imaginative.
3. (set theory) A type of set of natural numbers, related to mathematical logic.
4. Designed or executed to deceive or mislead.

inventive

original

imitative (tend to model an extant thing)

annihilative (tend to make extinct)