activity any specific behavior; "they avoided all recreational activity"
practice a customary way of operation or behavior; "it is their practice to give annual raises"; "they changed their dietary pattern"
play the act using a sword (or other weapon) vigorously and skillfully
misuse,
abuse improper or excessive use; "alcohol abuse"; "the abuse of public funds"
exploitation,
development an act that exploits or victimizes someone (treats them unfairly); "capitalistic exploitation of the working class"; "paying Blacks less and charging them more is a form of victimization"
recycling the act of processing used or abandoned materials for use in creating new products
consuetude a custom or usage that has acquired the force of law
couvade a custom among some peoples whereby the husband of a pregnant wife is put to bed at the time of bearing the child
germanism a custom that is peculiar to Germany or its citizens
habit,
use (psychology) an automatic pattern of behavior in reaction to a specific situation; may be inherited or acquired through frequent repetition; "owls have nocturnal habits"; "she had a habit twirling the ends of her hair"; "long use had hardened him to it"
hijab the custom in some Islamic societies of women dressing modestly outside the home; "she observes the hijab and does not wear tight clothing"