👉 Extemporaneity is a trait or characteristic of someone who can recall and speak spontaneously without any prior preparation, often in a spontaneous manner. This ability to speak spontaneously or express thoughts spontaneously without any conscious effort is often referred to as "extemporaneous" or "impressive spontaneity." Extemporaneity is often used to describe someone's spontaneity or naturalness, particularly when it comes to expressing themselves and engaging with others in a spontaneous manner.