Relating to or concerning gastronomy; representing the art and science of good eating and fine cooking.
From gastronomic with the addition of -al (common English adjectival suffix). This variant spelling provides an alternative to 'gastronomic' with identical meaning.
English speakers argue about whether 'gastronomic' or 'gastronomical' sounds better—they mean exactly the same thing, but one sounds fancier depending on who you ask!
Complete word intelligence in one call. Free tier — 50 lookups/day.