discount >> /ˈdɪskaʊnt/
Definition: [transitive verb] Deduct an amount from (the usual price of something)
Example: current users qualify for a discounted price
Definition: [transitive verb] Regard (a possibility, fact, or person) as being unworthy of consideration because it lacks credibility.
Example: I'd heard rumors, but discounted them
Definition: [noun] A deduction from the usual cost of something, typically given for prompt or advance payment or to a special category of buyers.
Example: many stores will offer a discount on bulk purchases
Definition: [adjective] (of a store or business) offering goods for sale at discounted prices.
Example: a discount drugstore chain