noumenon

noun

nou·​me·​non ˈnü-mə-ˌnän 

plural noumena ˈnü-mə-nə 

-ˌnä

: a posited object or event as it appears in itself independent of perception by the senses

noumenal

ˈnü-mə-nᵊl 

adjective

Word History

Etymology

German, from Greek nooumenon that which is apprehended by thought, from neuter of present passive participle of noein to think, conceive, from nous mind

First Known Use

1796, in the meaning defined above