Synonyms of source in English:

source


See definition of source

noun

1‘the source of the river’

SYNONYMS
spring, origin, head, well head, headspring, headwater, headwaters
South African eye
literary wellspring

2‘the source of the rumour’

SYNONYMS
origin, place of origin
birthplace, spring, wellspring, fount
starting point, history, pedigree, provenance, derivation, root, etymology
beginning, genesis, start, rise, cause
author, originator, initiator, creator, inventor, architect, father, mother
North American provenience
literary fountainhead, begetter
rare radix

3‘a historian will need to use both primary and secondary sources’

SYNONYMS
reference, authority, informant
documentation