One who knows everything

A. Literate

B. Scholar

C. Omnipotent

D. Omniscient

Answer: Option D

Solution(By Examveda Team)

One word substitute is Omniscient.

Literate: able to read and write.
Scholar: a specialist in a particular branch of study, especially the humanities.
Omnipotent: (of a deity) having unlimited power.
Omniscient: knowing everything.