Synonyms of source

source 1 of 2

noun

ˈsȯrs 

1

as in origin

a point or place at which something is invented or provided

we were uncertain as to the source of the rumors

a source of inspiration

Synonyms & Similar Words

• origin
• fountain
• cradle
• root
• beginning
• font
• spring
• commencement
• wellspring
• fountainhead
• start
• genesis
• well
• inception
• launch
• seedbed
• threshold
• day one
• outset
• baseline
• dawn
• onset
• incipiency
• morning
• first base
• kickoff
• ground zero
• incipience
• square one
• git-go
• get-go
• nascence
• nascency

2

as in headwater

the beginning part of a stream

19th-century explorers who sought the source of the Nile

Synonyms & Similar Words

• headwater
• tributary
• headstream
• wellspring
• head
• fountainhead
• fountain
• spring
• hot spring
• geyser
• branch
• feeder
• headspring

3

as in reference

something mentioned in a text as providing related and especially supporting information

the professor asked the students to have at least five different sources for their papers

Synonyms & Similar Words

• reference
• authority
• quotation
• citation
• extract
• excerpt
• footnote
• caption
• note
• cross-reference

source

2 of 2

verb

as in to reference

Related Words

• reference
• document
• corroborate
• validate
• bear out
• touch (on or upon)
• specify
• refer (to)
• illustrate
• substantiate
• name
• represent
• instance
• exemplify
• cite
• advert (to)
• quote
• mention
• adduce

Synonym Chooser

How is the word source distinct from other similar nouns?

Some common synonyms of source are inception, origin, and root. While all these words mean "the point at which something begins its course or existence," source applies more often to the point where something springs into being.

the source of the Nile

the source of recurrent trouble

When is inception a more appropriate choice than source?

While in some cases nearly identical to source, inception stresses the beginning of something without implying causes.

the business has been a success since its inception

When is it sensible to use origin instead of source?

The words origin and source are synonyms, but do differ in nuance. Specifically, origin applies to the things or persons from which something is ultimately derived and often to the causes operating before the thing itself comes into being.

an investigation into the origin of baseball

When can root be used instead of source?

While the synonyms root and source are close in meaning, root suggests a first, ultimate, or fundamental source often not easily discerned.

the real root of the violence

Example Sentences

Recent Examples of source

Noun

The need is evident, but how can the US source more water? —Dana Taylor, USA Today, 22 Aug. 2025

James Horncastle Napoli are expected to use the final fortnight of the transfer window to source cover for Romelu Lukaku. —James McNicholas, New York Times, 19 Aug. 2025

Verb

The exact distance to the source of GRB 250702B isn't certain yet, but the team thinks that the size and brightness of its home galaxy indicate it is located billions of light-years away. —Robert Lea, Space.com, 9 Sep. 2025

Variety has learned exclusively from sources that Nancy Won has boarded the project to serve as writer, executive producer, and showrunner. —Joe Otterson, Variety, 9 Sep. 2025