1. Representing or constituting an original type after which other similar things are patterned
   "she was the prototypal student activist"
   - archetypal, archetypical, prototypic, prototypical

See also: first, prototype

• advised
• advisedly
• advisee
• advisement
• adviser
• advisor
• advisory
• advisory board
• advisory service
• advocacy
• advocate
• advocation
• advocator
• advowson
• adware
• adynamia
• adynamic
• adytum
• adz
• adze
• Adzhar
• Adzharia
• adzuki bean
• AEC
• aecial