Commerce :: Commerce (n.) The exchange or buying and selling of commodities; esp. the exchange of merchandise, on a large scale, between different places or communities; extended trade or traffic..
Commerce :: Commerce (n.) Social intercourse; the dealings of one person or class in society with another; familiarity.
Commercial :: Commercial (a.) Of or pertaining to commerce; carrying on or occupied with commerce or trade; mercantile; as, commercial advantages; commercial relations..
Commercialism :: Commercialism (n.) The commercial spirit or method.