1. To show or prove through actions, words, or evidence that one firmly believes in something or has strong confidence in a particular position or belief
She demonstrated conviction in her defense of the policy by presenting detailed research.
Ela demonstrou convicção na defesa da política ao apresentar pesquisa detalhada.
2. To display certainty and confidence in one's stance or opinion
The activist demonstrated conviction by refusing to compromise on their principles.
O ativista demonstrou convicção ao recusar comprometer seus princípios.