The Collaborative International Dictionary
Counterfesance
Counterfesance \Coun"ter*fe`sance\ (-f?"zans), n. [OF. contrefaisance, fr. contrefaire. See Counterfeit, a.] The act of forging; forgery. [Obs.] [Written also counterfaisance.]
Wiktionary
counterfesance
n. (context obsolete English) forgery