1
put on(verb, expression, phrasal verb, place, secure)
1
put to work(verb, expression, idiom, use, carry)
1
re-up
1
record(verb, join, enter, list)
1
reenlist
1
relieve
1
rent(verb, secure, use, pick, engage)
1
round up(expression, raise, improve, gather, collect)
1
serve time
1
set about(verb, expression, phrasal verb, open, start)
1
set down(verb, expression, phrasal verb, order, join)
1
set out on(verb, expression, idiom, phrasal verb, open)
1
set to(verb, expression, phrasal verb, open, start)
1
side with(verb, expression, phrasal verb, follow, enter)
1
sign in(verb, expression, register)
1
signed up(verb, expression, order, settle, agree)
1
signing up(verb, expression, order, settle, agree)
1
sneak in
1
speak up(verb, expression, phrasal verb, advance, present)
1
spell off
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APASmart Define. (2015). sign up thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sign_up/thesaurus/synonyms
ChicagoSmart Define. 2015. "sign up thesaurus" https://smartdefine.org/sign_up/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, sign up thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sign_up/thesaurus/synonyms>.
MLASmart Define. "sign up thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/sign_up/thesaurus/synonyms>