Sentence:  His own letter ſent down with the bill canvels it; and Waterton, his own brother, depones on the veriſimilitude of his ſubſcription: and there can be nothing more <WSD>lubric</WSD> and conjectural, than to find a writ falſe on the mathematical points of the longitudes and angles of letters and ſubſcriptions.... 
Meaning of the word marked with <WSD> tags:  Lascivious; wanton; lewd.