D defs.my
Entry 2 senses Webster, 1913

Ideologist

/īdˌ-ē-äl'-əj-əst/ · I·de·ol·o·gist · IPA /ˌaɪdiːˈɑlədʒəst/
01 n. One who treats of ideas; one who theorizes or idealizes; one versed in the science of ideas, or who advocates the doctrines of ideology.
  1. 1.
    One who treats of ideas; one who theorizes or idealizes; one versed in the science of ideas, or who advocates the doctrines of ideology.
  2. 2.
    An ideologue.