1. to show or prove that one is prepared, willing, or able to do something
The team demonstrated readiness for the championship by winning all their warm-up matches.
O time demonstrou prontidão para o campeonato ao vencer todas as suas partidas de preparação.
2. to display preparedness or willingness to take action
She demonstrated readiness to accept the new position by submitting her application immediately.
Ela demonstrou prontidão em aceitar o novo cargo ao enviar sua candidatura imediatamente.