ascertained
ADJECTIVE
certain
Synonyms
STRONGEST
WEAK
authoritative
conclusive
confirmable
demonstrable
destined
determined
establishable
evident
firm
fixed
guaranteed
having down pat
in the bag
incontrovertible
indubitable
infallible
irrefutable
known
on ice
plain
predestined
provable
reliable
salted away
set
sound
supreme
trustworthy
unambiguous
undoubted
unequivocal
unerring
unmistakable
verifiable
Antonyms
STRONGEST
WEAK
ADJECTIVE
discovered
Synonyms
Antonyms
ADJECTIVE
established
Synonyms
Antonyms
ADJECTIVE
guaranteed
Synonyms
Antonyms
ADJECTIVE
inarguable
Synonyms
WEAK
absolute
authoritative
clear
conclusive
confirmable
definite
demonstrable
destined
determined
establishable
evident
firm
fixed
genuine
guaranteed
hard
having down pat
in the bag
incontestable
incontrovertible
indisputable
indubitable
infallible
irrefutable
known
on ice
plain
positive
predestined
provable
real
reliable
safe
salted away
set
sound
supreme
sure
sure thing
true
trustworthy
unambiguous
unassailable
undeniable
undisputable
undoubted
unequivocal
unerring
unmistakable
unquestionable
verifiable
ADJECTIVE
incontestable
Synonyms
WEAK
absolute
authoritative
clear
conclusive
confirmable
definite
demonstrable
destined
determined
establishable
evident
firm
fixed
genuine
guaranteed
hard
having down pat
in the bag
inarguable
incontrovertible
indisputable
indubitable
infallible
irrefutable
known
on ice
plain
positive
predestined
provable
real
reliable
safe
salted away
set
sound
supreme
sure
sure thing
true
trustworthy
unambiguous
unassailable
undeniable
undisputable
undoubted
unequivocal
unerring
unmistakable
unquestionable
verifiable
ADJECTIVE
observed
Synonyms
Antonyms
ADJECTIVE
unassailable
Synonyms
STRONGEST
WEAK
authoritative
clear
confirmable
definite
demonstrable
destined
determined
establishable
evident
firm
fixed
genuine
guaranteed
hard
having down pat
in the bag
inarguable
incontestable
incontrovertible
indubitable
known
on ice
plain
positive
predestined
provable
real
reliable
safe
salted away
set
sound
supreme
sure
sure thing
true
trustworthy
unambiguous
undisputable
undoubted
unerring
unmistakable
unquestionable
verifiable
Antonyms
ADJECTIVE
undisputable
Synonyms
WEAK
absolute
authoritative
clear
conclusive
confirmable
definite
demonstrable
destined
determined
establishable
evident
firm
fixed
genuine
guaranteed
hard
having down pat
in the bag
inarguable
incontestable
incontrovertible
indisputable
indubitable
infallible
irrefutable
known
on ice
plain
positive
predestined
provable
real
reliable
safe
salted away
set
sound
supreme
sure
sure thing
true
trustworthy
unambiguous
unassailable
undeniable
undoubted
unequivocal
unerring
unmistakable
unquestionable
verifiable
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.