"tending to or intended for correction," 1790; see correction + -al (1) or else from Medieval Latin correctionalis, from past-participle stem of Latin corrigere.
a correctional institution
corpuscle
corral
correct
correctable
correction
correctional
corrective
correctness
Corregidor
correlate
correlation
)window.location='https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=byronic106@yahoo.com&lc=US&item_name=Donation+to +Help+Keep+Etymonline+Free+and+Open&no_note=0&cn=&curency_code=USD&bn=PP-DonationsBF:btn_donateCC_LG.gif:NonHosted'){kind=link}