2
involvement(noun, interest, occupation, preoccupation, engagement)
2
jillion(noun, heap)
2
lucubration(noun, thought, advisement)
2
miscellany(noun, mass, aggregation)
2
mob(noun, mass, aggregation)
2
note(noun, mark, regard, notice, care)
2
observance(noun, mark, note, regard, notice)
2
obsession(noun, involvement, engagement)
2
persistence(noun, care, firmness, intensity, devotion)
2
pocket
2
poignancy(noun, passion, intensity)
2
power(noun, force, passion, strength, energy)
2
purification(noun, refinement)
2
quantity(noun, mass, pile, lot, stock)
2
refinement
2
reflection(noun, study, class, exercise, thought)
2
reinforcement(union, alliance, merging, strengthening)
2
remark(noun, mark, note, regard, notice)
2
resolution(noun, firmness, intensity, devotion, sincerity)
2
respect(noun, mark, note, regard, notice)
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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>