deep-rooted
deep-seated
entrenched
foreign
grooved
implanted
ingrained
legitimate
official
orthodox
planted
proved
proven
recognised
recognized
self-constituted
self-established
settled
strange
well-grooved
accepted
acknowledged
actual
admitted
ascertained
assigned
assured
attested
authenticated
borne out
categorically true
certain
certified
chronic
circumstantiated
confirmed
conformable
consuetudinary
conventional
corroborated
current
customary
decided
deep-dyed
deep-engraven
deep-fixed
deep-grounded
deep-laid
deep-set
deep-settled
demonstrated
deployed
determinate
determined
documentary
dyed-in-the-wool
effectual
embedded
embosomed
embossed
emplaced
engrafted
engraved
ensconced
etched
everyday
factual
reestablished