General synonyms:
* Imagery (emphasizes the visual aspect)
* Stylistic language
* Non-literal language
* Evocative language
* Metaphorical language
* Descriptive language
* Literary devices (a broader term)
More specific synonyms, depending on the specific type of figurative language:
* Metaphor (for figurative language using metaphors)
* Simile (for figurative language using similes)
* Personification (for figurative language using personification)
* Hyperbole (for figurative language using exaggeration)
Ultimately, the best synonym for "figurative language" depends on the specific context and the nuance you want to convey.