Assent/əˈsent/ Definition 1 of 3Pro Tip 1/3Active Agreement Use 'assent' to actively express agreement, not passive acceptance. When the proposal was offered, she quickly assented, showing her enthusiasm. Pro Tip 2/3Formal Yes 'Assent' is more formal than saying 'yes' and often used in official contexts. The committee assented to the new regulations unanimously. Pro Tip 3/3Group Decisions Often used when groups agree on a decision together. After a long discussion, the team assented to the leader's plan.