Special

a special offering (usually temporary and at a reduced price) that is featured in advertising

a dish or meal given prominence in e.g. a restaurant

a television production that features a particular person or work or topic

unique or specific to a person or thing or category

for a special service or occasion

surpassing what is common or usual or expected

adapted to or reserved for a particular purpose

having a specific function or scope

first and most important

added to a regular schedule