What is another word for letted in on?
Pronunciation: [lˈɛtɪd ɪn ˈɒn] (IPA) 
The phrase "letted in on" is commonly used to describe the act of sharing information or making someone aware of something. However, there are a myriad of synonyms that can be used in its place. These include "revealed," "disclosed," "confided," "shared," "communicated," "enlightened," "informed," "advised," "told," "imparted," and "notified." Each synonym carries a slightly different connotation, with some implying a level of trust and intimacy between the speaker and listener, while others convey a more formal or factual tone. Regardless of the synonym used, the essential meaning behind "letted in on" remains the same: to provide someone with knowledge that was previously unknown to them.
