Thoughtsmith

Pronounced: THôt,smiTH

NOUN
Person who in the past, &/or present, attempts to, &/or does, engage in invention of (A) concept(s), whether or not any others have conceived it/them before.

Wordsmiths need not, & seldom do, have small vocabularies. I'm A wordsmith, & thoughtsmith. (Thoughtsmiths need not, & seldom do, have small mentabularies.)