Synonyms for Autumn:

n.

midwinter, midsummer day, midsummer, daylight-saving time, equinox, British Summer Time, the midnight sun. fall (noun)
harvest time, autumnal equinox, close of the year, Indian Summer.
season between summer and winter (noun)
autumnal equinox.

Other synonyms:

midwinter, midsummer day, midsummer, daylight-saving time, equinox, British Summer Time, the midnight sun.

Usage examples for autumn

  1. She wants to get a new autumn hat for you, and another for me. – Girls of the Forest by L. T. Meade
  2. We usually spend the summer and autumn in the country, in the province of S., about five miles from the town of that name. – Virgin Soil by Ivan S. Turgenev
  3. It was one of those bright autumn days, when the sun touched every object with a golden light. – The Outcaste by F. E. Penny