confirmed

adjectives

of persons; not subject to change
"a confirmed bachelor"; "a confirmed invalid"
is similar to
not changeable or subject to change
"a fixed and unchangeable part of the germ plasm"-Ashley Montagu; "the unchangeable seasons"; "one of the unchangeable facts of life"
having been established or made firm or received the rite of confirmation
"confirmed reservations"; "received confirmed reports of casualties"; "a confirmed Catholic"
antonym
is similar to
verified officially
"the election returns are now official"