DuckCorp Dico

Found one definition

1.                 From fr.wiktionary.org:
                   
   
   
                   
                     
   
   ** [en]
   
   *** [étymologie]
   [en]
   
   *** [adjectif]
   LEVEL-HEADED
   
    1. Raisonnable , rationnel , posé .
   **** [variantes]
   
    - [level headed]
    - [levelheaded]