source - definition and synonyms

verb [transitive] [often passive] 

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/sɔː(r)s/
present tense
I/you/we/theysource
he/she/itsources
present participlesourcing
past tensesourced
past participlesourced
  1. 1
    to get a product or basic material from somewhere
  2. 2
    to find out where a piece of information comes from