catflap.org Online Dictionary Query

  becoming less reserved /bɪkˈʌmɪŋ lˈɛs ɹɪzˈɜːvd/
  aus sich herausgehend
     Synonyms: expanding, becoming more sociable, coming out of your shell, breaking out of your shell
  
   see: expand, become more sociable, become less reserved, come out of your shell, break out of your shell, expanded, broken out of your shell