- The definition of a proponent is someone who is in favor of something or who advocates for a cause.
An example of a proponent is a person lobbying for gun reform.
proponent definition by Webster's New World
- a person who makes a proposal or proposition
- a person who espouses or supports a cause, etc.
- Law one who propounds something, esp. a will for probate
Origin: ; from Classical Latin proponens, present participle of proponere, to set forth: see propose
proponent definition by American Heritage Dictionary
Origin: Latin prōpōnēns, prōpōnent-, present participle of prōpōnere, to set forth; see propose.
proponent - Legal Definition