Certitude et doute - Confiance et caution

something that will surely happen

to make certain of or to guarantee something

assurer

according to facts instead of opinions

concret

in a definite and clear manner due to being based on facts instead of ideas or guesses

concrètement

the belief in one's own ability to achieve goals and get the desired results

confiance

having a strong belief in one's abilities or qualities

confiant

in a way that shows confidence and trust in oneself or another person's abilities, plans, etc.

avec confiance

a belief or opinion that is very strong

conviction

having a strong belief in something

convaincu

to put trust in something or someone

compter sur

to check the accuracy or validity of something by using alternative sources or methods

‌an act of determining the accuracy or credibility of something by comparing it with various sources

vérification croisée

in a way that is certain and beyond any doubt

décidément

certainly happening and unlikely to change

définitif

someone who is sure to do something or something that is sure to happen or one is certain about

in a certain way

certainement

to have confidence or trust in someone or something

compter sur

being convinced that everything one believes in is true and others are wrong

dogmatique

in a critical and arrogant manner therefore refusing to consider other's opinions

dogmatiquement

to make sure that something will happen

assurer

to believe something strongly, even though one cannot explain why

something that is assumed to be true or already decided upon before any evidence or arguments are presented

conclusion inéluctable

to understand something completely and clearly

to make sure that something will occur

garantir

something that makes certain of a given result

garantie

a person who officially makes a promise or gives assurance to be accountable for someone or the occurrence of something

caution