standard
noun
a basis for comparison; a reference point against which other things can be evaluated
“the schools comply with federal standards”
“they set the measure for all subsequent work”
the ideal in terms of which something can be judged
“they live by the standards of their community”
Synonymscriteriona board measure = 1980 board feet
the value behind the money in a monetary system
Synonymsmonetary standardan upright pole or beam (especially one used as a support)
“distance was marked by standards every mile”
“lamps supported on standards provided illumination”
any distinctive flag
Synonymsbanner
adjective
conforming to or constituting a standard of measurement or value; or of the usual or regularized or accepted kind
“windows of standard width”
“standard sizes”
Oppositesnonstandardcommonly used or supplied
“standard procedure”
“standard car equipment”
established or well-known or widely recognized as a model of authority or excellence
“a standard reference work”
“the classical argument between free trade and protectionism”
Oppositesnonstandardconforming to the established language usage of educated native speakers (American) (British)
“standard English”
“received standard English is sometimes called the King's English”
SynonymsreceivedOppositesnonstandardregularly and widely used or sold
“a standard size”
“a stock item”
Synonymsstock
Source: WordNet 3.1, Princeton University