noun a basis for comparison; a reference point against which other things can be evaluated
noun the ideal in terms of which something can be judged
noun the value behind the money in a monetary system
noun any distinctive flag
adjective conforming to or constituting a standard of measurement or value; or of the usual or regularized or accepted kind
adjective commonly used or supplied
adjective established or well-known or widely recognized as a model of authority or excellence
adjective conforming to the established language usage of educated native speakers (American) (British)
Source: WordNet 3.1, Princeton University
