act/behave responsibly• There is a simplelesson here: give a student a realresponsibility, and he or she will act responsibly.• Will Opposition Members try to persuade the welfare rights organisations in their constituencies to behave responsibly?• I have written this book only for visitors who behave responsibly and show respect for others.• He is acting responsibly, being faithful to his employer.• You can't force him to act responsibly but you can make sure he doesn't treat you like a doormat.• Both require political intervention: the market alone has no capacity to act responsibly or intelligently.• That being so, the vice-chancellors are acting responsibly to explorealternativesources of funding.• I shall also do all that I can to ensure that brewers behave responsibly towards their tenants.