emotionalist

noun

emo·​tion·​al·​ist i-ˈmō-sh(ə-)nə-list 

1

: one who bases a theory or policy on an emotional conviction

2

: one prone to emotionalism

emotionalistic

i-ˌmō-sh(ə-)nə-ˈli-stik 

adjective

Word History

First Known Use

1865, in the meaning defined at sense 1