1
attend to
1
augment(verb, support, help, advance)
1
auscultate
1
be a guest(verb, show, join, catch, stay)
1
be a participant(verb, play, join, aid, perform)
1
be all ears(expression, idiom)
1
be at(verb, show, join, catch, stay)
1
be conducive(verb, support, help, advance)
1
be enfranchised
1
be implicated in(expression, idiom)
1
be in on(verb, take, receive, contribute, participate)
1
be instrumental(verb, support, help, advance)
1
be present(verb, show, join, catch, stay)
1
be there(verb, show, join, catch, stay)
1
bear a hand(expression, idiom)
1
bend an ear(expression, idiom)
1
bob up(verb, expression, phrasal verb, show, join)
1
bug
1
catch(verb, show, join, stay, attend)
1
check in(verb, expression, phrasal verb, show, join)
11 years ago|923 views|share |citing 
APASmart Define. (2015). sit in on thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/sit_in_on/thesaurus/synonyms
ChicagoSmart Define. 2015. "sit in on thesaurus" https://smartdefine.org/sit_in_on/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, sit in on thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/sit_in_on/thesaurus/synonyms>.
MLASmart Define. "sit in on thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/sit_in_on/thesaurus/synonyms>