Definition of intellectible in US English:

intellectible

adjective

Philosophy
  • Able to be apprehended only by the intellect, and not by the senses; = "intelligible".

Origin

Mid 16th century (in an earlier sense). From post-classical Latin intellectibilis capable of being apprehended by the intellect alone from classical Latin intellect-, past participial stem of intellegere + -ibilis.

Pronunciation

intellectible

/ˌɪntɪˈlɛktɪbl/