What is another word for most mainline?
Pronunciation: [mˈə͡ʊst mˈe͡ɪnla͡ɪn] (IPA) 
The phrase "most mainline" typically refers to the dominant or widely accepted faction or belief within a particular group or organization. Some synonyms for this phrase include "conventional," "established," "traditional," or "orthodox." Other options could include "mainstream," "prevailing," "dominant," or "popular." These synonyms all convey the idea that something is widely accepted or widely held, and they could be particularly useful in contexts where the phrase "most mainline" might be considered too informal or colloquial. Ultimately, the choice of synonym will depend on the specific context and the intended tone or message of the communication.
