How to Use "sumptuary" with Example Sentences

1. What sumptuary advice do they offer ?
2. Lack of financial ambition goes along with the observance of unwritten sumptuary laws .
3. As the booming economy upset the god-given medieval hierarchy , secular sumptuary laws , which regulated consumption habits , were a brake on social mobility .
4. Though quite often many workplaces still require formal dress , increasingly one can see that many companies only have very loose sumptuary guidelines .