classic; traditional; orthodox; proper
Describes something that follows the established, time-tested, or standard way, often with a positive connotation of being the 'right' or 'royal road' approach. Derived from 王道 (royal road, the proper way).
See also: 王道
This game is a classic RPG.
His method is orthodox, and everyone is convinced.
From 王道 (royal road, the proper way) + 的 (adjectival suffix). The term 王道 originally referred to the virtuous rule of a king, and by extension came to mean the ideal or standard method.