The age at which a person is legally able to give consent, as to sexual relations, marriage, or a binding contract. Some people advocate lowering the age of consent, but some worry it will cause an increase in promiscuity among young people.

If you do not voice your objection to something, then it is assumed that you support it. A: "Why did you think I would agree to punishing a student so harshly?" B: "Well, you didn't say anything when we originally discussed this plan! Silence means consent." Make sure to speak up when you disagree with something, because, for many people, silence means consent.

To agree to something. Do you have your permission slip? We need proof that your parents have consented to your participation in the field trip. Good luck getting her to consent to such dramatic changes to the script.

The act of explicitly and enthusiastically expressing the desire to have a sexual encounter with someone and maintaining and communicating that enthusiasm throughout the experience. Men and women often have very different ideas about verbal and nonverbal cues, but an enthusiastic consent model solves all that.

If one does not object to or stand up against something that one does not like or agree with, then one is complicit in permitting it to happen. People like to pretend they are outraged by these policies, but when they do nothing to stop them, their silence gives consent. A: "Are you sure Dad is OK with us borrowing the car?" B: "I texted him about it and he didn't say we couldn't. In my book, silence gives consent."