Sentence:  He was a drunkard, and had not known it. What he had fondly imagined was a pleasant exhilaration had been <WSD>maudlin</WSD> intoxication. 
Meaning of the word marked with <WSD> tags:  Affectionate or sentimental in an effusive, tearful, or foolish manner, especially because of drunkenness. (from 17th c.)