Synonyms|34Antonyms|0|Broader|5Narrower|0Related|12
4
patent
2
charter
2
franchise
2
grant
1
billet-doux
1
brevet
1
bull
1
concession
1
dead letter
1
diploma
1
encyclical
1
letter of credit(expression, idiom)
1
letters of marque(expression, idiom)
1
liberty
1
love letter
1
newsletter
1
round robin
0
authority
0
carte
0
certificate of invention
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APASmart Define. (2015). letters patent thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/letters_patent/thesaurus/synonyms
ChicagoSmart Define. 2015. "letters patent thesaurus" https://smartdefine.org/letters_patent/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, letters patent thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/letters_patent/thesaurus/synonyms>.
MLASmart Define. "letters patent thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/letters_patent/thesaurus/synonyms>