When someone acts in a way that is exemplary, they can be said to behave as a model. However, there are several other synonyms that can be used to describe such behaviour. For instance, a person who acts as a model is often referred to as an exemplar, an ideal or a paragon. Such a person can also be described as being virtuous, honourable, principled or upright. Additionally, exemplary behaviour can also be referred to as pristine, immaculate or faultless. Essentially, whenever someone exhibits behaviour that is laudable or commendable, there are many different ways to describe them and their actions.