Certainty and Doubt - Certainty and Assurance

to guarantee that something specific will happen

displaying confidence in oneself and one's capabilities

to accept something to be true even without proof

to firmly trust in the goodness or value of something

to express confidence or certainty in something happening or being the case

to express strongly and confidently that something is undoubtedly true or will certainly happen

in a way that is absolutely certain and cannot be questioned

likely to happen or sure to experience something

a feeling of hopefulness and confidence that makes one remain cheerful, especially in sad or unpleasant situations

being optimistic and behaving in a cheerful manner

used to express that one denies the possibility of something happening or being the case

certain and confident

without a doubt

something that is sure to happen or succeed

feeling completely sure about something and showing that you believe it

the state of being sure about something, usually when there is proof

the feeling of complete certainty

to discover information about something or someone by looking, asking, or investigating

the act of ascertaining the validity, security, or suitability of something by inspecting it

to check the wellbeing, truth, or condition of someone or something

to inspect something closely to ensure accuracy, quality, or its overall condition

‌to carefully inspect or examine something, especially one that consists of different parts

to examine something to confirm its quality and accuracy