let on

let on (http://definr.com/let on)

     v : 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" [syn: disclose, bring out, reveal,
          discover, expose, declare, divulge, impart, break,
          give away, let out]