Omniscient

Om*nis"cient (?), a. [Omni- + L. sciens, -entis, p. pr. of scire to know: cf. F. omniscient. See Science.] Having universal knowledge; knowing all things; infinitely knowing or wise; as, the omniscient God. -- Om*nis"cient*ly, adv.

For what can scape the eye
Of God all-seeing, or deceive his heart
Omniscient?
Milton.