As a noun imperativist is
a proponent of imperativism.
imperativism
Not English
Imperativism has no English definition. It may be misspelled.
English words similar to 'imperativism':
imprisonment,
infracohort,
impertinent,
imperialism,
improvident,
improvement,
infringement,
impressionism,
impartialist,
imperialist,
impressionist,
impermanent,
imperilment,
infraphylum,
informaticist,
infrakingdom,
impressment,
impercipient,
imperativist,
infrarealism,
imbarrassment,
inforcement,
imbursement,
imperseverant,
infranatant,
imbrutement,
imbracement,
importunest,
inebriatest