Crossword clues for the word: AIA The word AIA has appeared as an answer to at least 12 crossword clues on different crossword puzzles. Crossword clues for AIA Showing 1 to 12 of 12 results Clue(s) Architects' group: Abbr. Architects' org. Bldg. designers' org. Building designers' gp. Building-planners' org. FL coastal highway Home designers' org. Org. for Pei Org. for Saarinen Philip Johnson's org. Planners' group: Abbr. U.S. architects' org.