Co-sign
Co-sign verb - Sign jointly.
Signature
Signature noun - A person's name written in their own handwriting often given to indicate awareness or consent.
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Synonyms for Signature
Co-sign and signature are semantically related. Sometimes you can replace phrase "Co-sign" with "Signature", this terms are similar.
Mutual synonyms
Related pairs
Both words in one sentence
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Hell, in the pilot, he forged Gus's signature to co-sign a lease on their office because Shawn has terrible credit.
Source: Series / Psych
Cite this Source
Signature and Co-sign. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/co-sign/signature
Co-sign & Signature. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/co-sign/signature>.
Signature or Co-sign. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/co-sign/signature.