let on

Verb

• make known to the public information that was previously known only to a few people or that was meant to be kept a secret
  • The auction house would not disclose the price at which the van Gogh had sold
    
  • The actress won't reveal how old she is
    
  • bring out the truth
    
  • he broke the news to her
    
  • unwrap the evidence in the murder case