Synonyms of the word

all-knowing

• adj. Knowing everything; omniscient.

omniscient

• adj. Having total knowledge.
• n. One who has total knowledge.

wise

• adj. Showing good judgement or the benefit of experience.
• adj. (colloquial) Disrespectful.
• v. To become wise.
• v. (ergative, slang) Usually with "up", to inform or learn.
• n. (archaic) Way, manner, method.
• v. (dialectal) to instruct.
• v. (dialectal) to advise; induce.
• v. (dialectal) to show the way, guide.
• v. (dialectal) to direct the course of, pilot.
• v. (dialectal) to cause to turn.