def tag_wordnet(self, **kwargs):
        """Create wordnet attribute in ``words`` layer.

        See :py:meth:`~estnltk.text.wordnet_tagger.WordnetTagger.tag_text` method
        for applicable keyword arguments.
        """
        global wordnet_tagger
        if wordnet_tagger is None: # cached wn tagger
            wordnet_tagger = WordnetTagger()
        self.__wordnet_tagger = wordnet_tagger
        if len(kwargs) > 0:
            return self.__wordnet_tagger.tag_text(self, **kwargs)
        return self.__wordnet_tagger.tag_text(self, **self.__kwargs)
Create wordnet attribute in ``words`` layer.

        See :py:meth:`~estnltk.text.wordnet_tagger.WordnetTagger.tag_text` method
        for applicable keyword arguments.