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

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

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

While rainfall runs off quickly and can more readily evaporate from soil, snowpack serves as a valuable and lasting source of moisture and accounts for a majority of water supplies across the region, as much as 80 percent in some areas. —Mira Rojanasakul, New York Times, 21 Mar. 2026

Just days after Hollywood patted itself on the back at last week’s Academy Awards, the movie industry got a kick in the teeth from an unlikely source — an actor who’s been dead for nearly a year. —Leonard Greene, New York Daily News, 21 Mar. 2026

Verb

Source Something Vintage As another great way to source something for less, Graffam suggests looking into vintage frame options. —Ashley Chalmers, The Spruce, 22 Feb. 2026

Per a February 2026 Vogue profile of Love Story star Pidgeon, Mance and his team worked diligently to source authentic designer pieces and rebuild trust in the series’ portrayal of the glamorous publicist. —Bailey Bujnosek, InStyle, 21 Feb. 2026