Sentence:  Within this <WSD>'mazeful</WSD> wonder', all things are suspended in trance, the birds hang a-dream, the sun swings like a thurible, and, at the garden's heart, in the Land of Luthany, is the Lady of fair weeping, whose sorrowful song the poet would capture in verse. 
Meaning of the word marked with <WSD> tags:  Causing amazement; wonderful.