2
apperceive(verb, see, have, notice, experience)
2
appreciate(verb, see, have, notice, realize)
2
apprehend(verb, see, have, notice, realize)
2
be acquainted(verb, see, have, notice, experience)
2
be cognizant(verb, see, have, notice, experience)
2
be conversant in(verb, see, have, notice, experience)
2
be informed(verb, see, have, notice, experience)
2
be learned(verb, see, have, notice, experience)
2
be master of(verb, see, have, notice, experience)
2
be read(verb, see, have, notice, experience)
2
be schooled(verb, see, have, notice, experience)
2
be versed(verb, see, have, notice, experience)
2
cognize(verb, see, have, notice, experience)
2
comprehend(verb, see, have, notice, realize)
2
differentiate(verb, see, have, notice, experience)
2
discern(verb, see, have, notice, realize)
2
discriminate(verb, see, have, notice, experience)
2
distinguish(verb, see, have, notice, experience)
2
experience(verb, see, have, notice, realize)
2
fathom(verb, see, have, notice, realize)
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APASmart Define. (2015). keep up on thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/keep_up_on/thesaurus/synonyms
ChicagoSmart Define. 2015. "keep up on thesaurus" https://smartdefine.org/keep_up_on/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, keep up on thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/keep_up_on/thesaurus/synonyms>.
MLASmart Define. "keep up on thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/keep_up_on/thesaurus/synonyms>