[th air-on, -awn]


on or upon that or it.
immediately after that; thereupon.

Origin of thereon

before 900; Middle English ther on, Old English thǣron. See there, on Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for thereon

Historical Examples of thereon

  • And Gilberte thereon seized the opportunity to mention Father Fouchard's case.

    The Downfall

    Emile Zola

  • Thereon I told the King without reserve all that had happened.

    In Kings' Byways

    Stanley J. Weyman

  • Thereon Drepanum receives me in its haven and joyless border.

  • Thereon one of them nodded and made room for him, and he passed in, which Tua noted also.

    Morning Star

    H. Rider Haggard

  • Thereon the great officers of Pharaoh took him and led him forth.

    The World's Desire

    H. Rider Haggard and Andrew Lang

British Dictionary definitions for thereon



an archaic word for thereupon
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for thereon

Old English þæron; see there + on.

Online Etymology Dictionary, © 2010 Douglas Harper