Sentence:  In the mean time, Cluffe had arrived. He was a little bit huffed and <WSD>grand</WSD> at being nailed as an evidence, upon a few words carelessly, or, if you will, confidentially dropped at his own mess-table, where Lowe chanced to be a guest; and certainly with no suspicion that his little story could in any way be made to elucidate the mystery of Sturk's murder. 
Meaning of the word marked with <WSD> tags:  Great in size, and fine or imposing in appearance or impression; illustrious, dignified, magnificent.