| A | in perfect condition or order |
|---|---|
| A | (informal) of the highest quality |
| A | United States physicist (born in Germany) who collaborated with Morley in the Michelson-Morley experiment (1852-1931) |
| A | English writer of stories for children (1882-1956) |
| A | English author who created Sherlock Holmes (1859-1930) |
| A | English poet (1859-1936) |
| A | United States electrical engineer noted for his work on the theory of alternating currents |
| A | English writer (1865-1948) |
| A | United States linguist whose theory of generative grammar redefined the field of linguistics (born 1928) |
| A | in the year of Our Lord |
| A | Irish writer whose pen name was A.E. (1867-1935) |
| A | as known or named at another time or place |