4
combination(noun, attention, union, vision, application)
4
confluence(noun, edge, convergence)
4
conflux(noun, edge, convergence)
4
contemplation(noun, study, mind, interest, notice)
4
contraction(noun, decrease, reduction)
4
curtailment(noun, decrease, reduction)
4
debate(noun, study, mark, note, regard)
4
distillate(noun, concentrate, extract, refinement)
4
distillation(noun, concentrate, extract, refinement)
4
essence(noun, concentrate, extract, reduction)
4
extract(noun, concentrate)
4
extraction(noun, refinement)
4
flock(noun, group, mass, crowd, association)
4
mindfulness(noun, trouble, note, regard, concern)
4
observation(noun, mark, note, regard, interest)
4
thickness(noun, mass, density, depth, width)
3
abbreviation(noun, decrease)
3
aggregation(noun, group, mass, crowd, association)
3
array(noun, mass, aggregation)
3
audience(noun, mass, aggregation)
10 years ago|11k views|share |citing 
APASmart Define. (2016). concentration thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/concentration/thesaurus/synonyms
ChicagoSmart Define. 2016. "concentration thesaurus" https://smartdefine.org/concentration/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, concentration thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/concentration/thesaurus/synonyms>.
MLASmart Define. "concentration thesaurus" 14 March 2016. Web. 22 September 2026. <https://smartdefine.org/concentration/thesaurus/synonyms>