What is another word for all-knowing one?
Pronunciation: [ˈɔːlnˈə͡ʊɪŋ wˌɒn] (IPA) 
The term "all-knowing one" refers to someone who is perceived to have complete knowledge and understanding of everything. However, this phrase can be replaced by synonyms such as "omniscient one," "know-it-all," "wise one," "sage," "oracle," "prophet," "clairvoyant," "seer," and "enlightened one." These words can be used interchangeably depending on the context, but they all convey similar meanings of a person who possesses extensive knowledge and insights about life and beyond. Using synonyms for "all-knowing one" can add variety and depth to one's language while still conveying the same idea.
