1
reinforcement
1
supplementation
1
synergy(combination, cooperation, concurrence, coincidence, co-action)
1
uniting
0
add-on
0
add on(verb, expression, phrasal verb)
0
adding
0
additional
0
affiliated
0
affiliations
0
affix
0
affixes
0
affixture
0
affrication
0
annex
0
annexed
0
appended
0
appurtenant
0
assembly
0
attached
11 years ago|1.3k views|share |citing 
APASmart Define. (2015). adjunction thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/adjunction/thesaurus/synonyms
ChicagoSmart Define. 2015. "adjunction thesaurus" https://smartdefine.org/adjunction/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, adjunction thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/adjunction/thesaurus/synonyms>.
MLASmart Define. "adjunction thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/adjunction/thesaurus/synonyms>