Synonyms|76Antonyms|1|Broader|2Narrower|0Related|1
2
badge(permit, classification, authorization, recognition, identification)
2
card
2
character
2
credentials(noun, permit, classification, authorization, recognition)
2
dog tag(expression, classification, recognition, naming)
2
identification(permit, classification, authorization, recognition, naming)
2
reference
2
testimonial
2
voucher
1
ID(permit, classification, authorization, recognition, identification)
1
advocacy
1
apperception(classification, recognition, naming)
1
assimilation(classification, recognition, naming)
1
billet-doux
1
bracelet(classification, recognition, naming)
1
bull
1
calling card
1
cataloging(classification, recognition, naming)
1
character reference(noun, recommendation)
1
classifying(classification, recognition, naming)
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APASmart Define. (2015). letter of introduction thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/letter_of_introduction/thesaurus/synonyms
ChicagoSmart Define. 2015. "letter of introduction thesaurus" https://smartdefine.org/letter_of_introduction/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, letter of introduction thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/letter_of_introduction/thesaurus/synonyms>.
MLASmart Define. "letter of introduction thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/letter_of_introduction/thesaurus/synonyms>