This is the 2265th most frequent Portuguese word.
ética
Ethics; the study of moral principles guiding human behavior.
In this sentence, the word 'ética' refers to a concept or discipline related to moral principles guiding behavior in a social context.
A ética é fundamental para a convivência em sociedade.
Ethics are fundamental for coexistence in society.
Here, 'ética' is used to denote ethical behavior or the practice of adhering to ethical principles in a professional setting.
Devemos agir sempre com ética no trabalho.
We must always act with ethics in the workplace.
The usage of 'ética' in this case points to the academic field or philosophical study concerning ethical theories and decision-making.