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Showing results for come upon. Search instead for come+upon.
Synonyms

come upon

British  

verb

  1. (intr, preposition) to meet or encounter unexpectedly

    I came upon an old friend in the street today

"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

come upon Idioms  
  1. see come across, def. 1; come on, def. 3.