
Gastronomic
Positive Connotation
Gastronomic implies high-quality food and dining pleasure, often luxurious or sophisticated. 
Highly Specialized
Use 'gastronomic' to describe food experiences linked to expertise, like a chef's technique or a critic's insight. 
Cultural Aspect
'Gastronomic' often relates to culturally significant foods that define a region's culinary heritage. 