CLEDITOR_I18N

1. Create a jquery.cleditor.i18n.js file and make it look like this:
CLEDITOR_I18N = {
"Align Text Left": "Aliniază la stânga",
"Center": "Centrează",
"Align Text Right": "Aliniază la dreapta",

// etc.
}

2. Load the translation file before CLeditor:

<script src="jquery.cleditor.i18n.js"></script>
<script src="jquery.cleditor.js"></script>

That's it.

CLEDITOR_I18N = { 
    "Bold": "Gras", 
    "Italic": "Italique", 
    "Underline": "Souligné", 
    "Strikethrough": "Barré", 
    "Subscript": "Indice", 
    "Superscript": "Exposant", 
    "Font": "Font", 
    "Text size": "Taille de police", 
    "Style": "Style", 
    "Text color": "Couleur de police", 
    "Highlight color": "Surlignage", 
    "Remove formatting": "Effacer la mise en forme", 
    "Unordered list": "Puces", 
    "Ordered list": "Numérotation", 
    "Outdent": "Diminuer le retrait", 
    "Indent": "Augmenter le retrait", 
    "Align left": "Aligné à gauche", 
    "Align center": "Au centre", 
    "Align right": "Aligné à droite", 
    "Align full": "Justifier", 
    "Undo": "Annuler", 
    "Redo": "Rétablir", 
    "Insert horizontal rule": "Insérer une ligne horizontale", 
    "Insert image": "Insérer une image", 
    "Insert link": "Insérer un lien", 
    "Remove link": "Effacer le lien", 
    "Cut": "Couper", 
    "Copy": "Copier", 
    "Paste": "Coller", 
    "Paste as text": "Coller en tant que texte", 
    "Print": "Imprimer", 
    "Show source": "Afficher la source" 
}