thetic

adjective

thet·​ic ˈthe-tik  ˈthē- 

: constituting or beginning with a poetic thesis

a thetic syllable

thetically

ˈthe-ti-k(ə-)lē 

ˈthē-

adverb

Word History

Etymology

Greek thetikos of a proposition, from tithenai to lay down — more at do

First Known Use

1815, in the meaning defined above