admonitory admonitory /ˌædˈmɔnɪˌtɔri/

adjective

1. Expressing reproof or reproach especially as a corrective  ( admonishing , admonitory , reproachful , reproving )
   expressing reproof or reproach especially as a corrective
   
2. Serving to warn  ( admonitory , cautionary , exemplary , monitory , warning )
   serving to warn
    Shook a monitory finger at him
   shook a monitory finger at him
    An exemplary jail sentence
   an exemplary jail sentence