We don't have synonyms for esemplastic yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are emplastic, symplastic and semiplastic.
"2003: he [...] developed a doctrine of the organic ('esemplastic') imagination, over and against the passive and mechanical faculty of 'fancy' -- Roy Porter, Flesh in the Age of Reason (Penguin 2004, p. 405)"
"2003: he [...] developed a doctrine of the organic ('esemplastic') imagination, over and against the passive and mechanical faculty of 'fancy' -- Roy Porter, Flesh in the Age of Reason (Penguin 2004, p. 405)"