Sentence:  I felt superior to the neighborhood friends I was leaving behind , <WSD>felt</WSD> older than my years , and was full of compliments for myself as I headed into the subway that was carrying its packs of passengers out of that dull borough and into the unstable , tantalizing excitement of Manhattan . 
Meaning of the word marked with <WSD> tags:  have a feeling or perception about oneself in reaction to someone's behavior or attitude