Sentence:  He thought that the moulting season was over, and that he was rejoicing in the fulness of a <WSD>sleeky</WSD> plumage, and by his side was a Java sparrowess, chirping and hopping about, rendering the cage as populous to him as though he were the tenant of a bird-fancier's shop. 
Meaning of the word marked with <WSD> tags:  sleek; slick