Denshi Jisho — Online Japanese dictionary

ご存じ ごぞんじ 1: (Honorific or respectful language) knowing;
2: (an) acquaintance
Common word, Noun 
ご存じの方 ごぞんじのかた 1: (Honorific or respectful language) your acquaintance;
2: (Honorific or respectful language) people who know
Noun 

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