1. to perform or carry out a task, plan, or action skillfully and competently with expert knowledge
The surgeon was able to execute the complex procedure proficiently despite the patient's critical condition.
O cirurgião foi capaz de executar o procedimento complexo com proficiência apesar da condição crítica do paciente.
2. to accomplish something with a high degree of skill and efficiency
The team executed their strategy proficiently and won the championship.
O time executou sua estratégia com proficiência e venceu o campeonato.