Main Entry: con·di·tion·ing

Pronunciation: \-ˈdi-sh(ə-)niŋ\

Function: noun

Date: 1861

1 : the process of training to become physically fit by a regimen of exercise, diet, and rest; also : the resulting state of physical fitness
2 : a simple form of learning involving the formation, strengthening, or weakening of an association between a stimulus and a response