definer

He is the poet or maker of words, as in civilised ages the dialectician is the definer or distinguisher of them.

Was he happy, the poor Jewish intellectualist definer of intellectual love and of happiness?

You will first note that the definer has not declared what sort of composition.

She knew that in the case of marriage everything depends upon the definer and the occasion.

And the recent popularity of vers libre and imagisme has made the definer's task harder than ever before.