The Collaborative International Dictionary
Schismatically
Schismatical \Schis*mat"ic*al\, a. Same as Schismatic. -- Schis*mat"ic*al*ly, adv. -- Schis*mat"ic*al*ness, n.
Wiktionary
schismatically
adv. In a schismatic way.
WordNet
schismatically
adv. in a manner that is schismatic