valid
adamantine
admissible
authoritative
binding
bulky
calculable
cogent
confirmed
consistent
credible
deep-dyed
deep-engraven
deep-fixed
deep-grounded
deep-laid
deep-rooted
deep-seated
deep-set
deep-settled
dense
dependable
durable
dyed-in-the-wool
embedded
embossed
enduring
engrafted
engraved
entrenched
established
etched
faithful
faithworthy
fast
firm
firmly established
good
graven
hard
heavy
implanted
impressed
imprinted
indelibly impressed
infixed
ingrained
ingrown
inveterate
invincible
inwrought
andpublic
burnt offering
causeless
cool
deeply-rooted
firmest
ill-concealed
independently-operated
ineradicable
investors'
justifiable
long-held
overweening
unaffiliated
undefined
undoubting
unfeigned
unfounded
unshakeable
unspoken
well-founded