noun
conviction
A firmly held belief or strong certainty that something is true.
She speaks with conviction about the project.
Etymology
Latin con- and vincere express thoroughly overcoming. In a firm belief, doubt or resistance has been overcome, leaving the person with strong certainty about the matter.
More examples
- His religious convictions shaped his choices.
- They shared a conviction that change was possible.
- He lacked conviction in his own argument.
Forms
conviction · convictions
convinced adjective — firmly believing something