n.
Function: adjective
Date: 1567
1 a : constituting or conforming to a standard especially as established by law or custom < standard weight> b : sound and usable but not of top quality < standard beef>
2 a : regularly and widely used, available, or supplied < standard automobile equipment> b : well-established and very familiar <the standard opera>
3 : having recognized and permanent value <a standard reference work>
4 : substantially uniform and well established by usage in the speech and writing of the educated and widely recognized as acceptable < standard pronunciation is subject to regional variations>
– stan · dard · ly adverb