Sentence:  He was thinking; but the <WSD>glory</WSD> of the song, the swell from the great organ, the clustered lights, […], the height and vastness of this noble fane, its antiquity and its strength—all these things seemed to have their part as causes of the thrilling emotion that accompanied his thoughts. 
Meaning of the word marked with <WSD> tags:  Great or overwhelming beauty or splendour.