Collocations for poetic - adj.

be, sound
wax (AmE)
It's very easy to wax poetic (= speak in a poetic way) about the sport of baseball.

very, wonderfully
truly
The piece ends with a truly poetic slow movement.

almost
quite
self-consciously
His writing is self-consciously poetic.

Poetic is used with these nouns:
composition, convention, expression, image, imagery, imagination, inspiration, justice, language, lyrics, prose, text, translation, truth, vision