unheaven

Example:The conventional concept of optimizing fuel efficiency in cars has long been the foundation of automotive engineering.

Definition:An idea or concept that aligns with accepted standards or practices in a particular field.

Example:The orthodox belief in the role of government intervention in economic crises cannot be easily challenged.

Definition:A belief that adheres to the established or traditional rules or values of a particular group, organization, or body of beliefs.

Example:The standard notion of a flat earth was eventually replaced by the heliocentric model of the universe.

Definition:An idea or belief that is generally accepted as correct or appropriate.