1. an assumption that something is true without proof
2. behavior that is bold or disrespectful; audacity
3. a legal assumption that something is true unless proven otherwise
Usage: legal

Examples

• The presumption of innocence is a cornerstone of our legal system.
• It was pure presumption to assume she would agree without asking.
• His presumption in interrupting the meeting annoyed everyone.
• There’s a presumption that experienced drivers are safer.
• She had the presumption to criticize her boss’s decision publicly.
• The court operates under the presumption that contracts are valid.
• What presumption to think you could solve this problem so easily!