General:
* Orthodoxy: This implies a set of beliefs or practices that are widely accepted as correct.
* Mainstream: This refers to ideas or opinions that are widely held and accepted by the majority.
* Consensus: This suggests a general agreement or shared view on a topic.
* Prevailing view: This emphasizes that the opinion is common and current.
* Established wisdom: This implies that the opinion is long-held and considered reliable.
Negative connotations:
* Cliché: This implies that the opinion is overused and lacks originality.
* Banality: This suggests that the opinion is dull and uninteresting.
* Dogma: This implies that the opinion is rigid and unquestionable.
Other options:
* Social norm: This refers to a common expectation or belief within a particular society.
* Collective thinking: This highlights the shared nature of the opinion.
* Common ground: This suggests that the opinion is shared by a wide range of people.
The best word for you will depend on the specific context and the tone you want to convey.