It is an inveterate and received opinion.
Bacon.
2. Firmly established by long continuance; obstinate; deep-rooted; of
long standing; as, an inveterate disease; an inveterate abuse.
Heal the inveterate canker of one wound.
Shak.
3. Having habits fixed by long continuance; confirmed; habitual; as, an
inveterate idler or smoker.