| add-on(noun, increase, extra, addition, supplement) | |
| added(addition, supplement) | |
| added feature(noun, expression, increase, extra, addition) | |
| additive(noun, increase, extra, addition) | |
| adjudication(noun, understanding, arrangement, approval, contract) | |
| afterword | |
| annexe | |
| annexed | |
| appendices | |
| approval(noun, understanding, arrangement, contract, deal) | |
| appurtenance | |
| assent(noun, understanding, arrangement, approval, contract) | |
| attachment(act, measure, addition, qualification, supplement) | |
| augmentation(addition, supplement) | |
| avowal(noun, understanding, arrangement, approval, contract) | |
| bargain(noun, understanding, arrangement, approval, contract) | |
| bell(noun, increase, extra, addition, additive) | |
| bells and whistles(noun, expression, idiom, increase, extra) | |
| bill(act, measure) | |
| brief |
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| APA | Smart Define. (2015). codicil thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/codicil/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "codicil thesaurus" https://smartdefine.org/codicil/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, codicil thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/codicil/thesaurus/synonyms>. |
| MLA | Smart Define. "codicil thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/codicil/thesaurus/synonyms> |