incapable of failure or error; "an infallible antidote"; "an infallible memory"; "the Catholic Church considers the Pope infallible"; "no doctor is infallible"
shopping at a market; "does the weekly marketing at the supermarket"
the commercial processes involved in promoting and selling and distributing a product or service; "most companies have a manager in charge of marketing"
the act of transacting within or between groups (as carrying on commercial activities); "no transactions are possible without him"; "he has always been honest is his dealings with me"