old–line 
/ˈoʊldˈlaɪn/ adjective
always used before a noun /ˈoʊldˈlaɪn/ adjective [more old–line; most old–line] US 1 a : having a good reputation because of the high quality of a service, product, etc., that has been provided for many years
▪ We made sure he used an old-line law firm. ▪ old-line wine producers
b : powerful and important in a society for a long time
▪ old-line Virginia families 2 : supporting traditional policies or practices : not encouraging or liking change within an organization
▪ His more old-line colleagues expressed their concern with the changes. ▪ an old-line Democrat
▪ We made sure he used an old-line law firm. ▪ old-line wine producers
b : powerful and important in a society for a long time
▪ old-line Virginia families
▪ His more old-line colleagues expressed their concern with the changes. ▪ an old-line Democrat
