Synonyms and antonyms of Certainty and being certain in British Thesaurus

certainty (noun)

the feeling of being completely sure about something

assurance (noun)

a feeling or attitude of being certain that something is true

guarantee (noun)

something that makes it certain that something will happen

trust (noun)

a feeling of confidence in someone that shows you believe they are honest, fair, and reliable

confidence (noun)

if you have confidence that something is true, you feel certain that it is true

certitude (noun)

formal the feeling of being certain about something

beyond (any) doubt ()

if something is beyond doubt, it is completely certain

hunch (noun)

a feeling that something is true or will happen, although you do not know any definite facts about it

gut feeling/instinct ()

a feeling that you are certain is right, although you can give no good reason why

safe/firm ground ()

something that is likely to be correct or accepted

beyond (any) doubt ()

in a way that is completely certain

trust (noun)

confidence that something is safe, reliable, or effective