piacular

Etymology
Early 17th century, from, from , derived from , from +.

Adjective

 * 1) Requiring atonement or reparation: wicked, sinful, bad.
 * 2) * 1665,, Scepsis Scientifica: or, Contest Ignorance, the way to Science , London: , Chapter XVII, page 103:
 * And while we think it ſo piaculous, to go beyond the Ancients; we muſt neceſſarily come ſhort of genuine Antiquity, Truth; unleſs we ſuppoſe them to have reach'd perfection of Knowlege in ſpight of their own acknowledgments of Ignorance.
 * 1) Expiatory; serving to atone.

Derived terms

 * piacularly