13
sign on(verb, expression, phrasal verb, order, accept)
12
enlist(verb, accept, open, press, present)
11
contract(verb, secure, sign, use, pay)
10
join(verb, accept, open, start, try)
8
engage(verb, order, accept, secure, settle)
8
enter(verb, take, order, accept, open)
7
employ(verb, give, accept, join, sign)
7
enrol
7
register(verb, support, order, set, accept)
7
retain(verb, place, secure, use, pick)
7
sign(verb, support, set, rubber-stamp, undersign)
7
take on(verb, expression, phrasal verb, place, accept)
6
draft(verb, raise, join, use, admit)
5
enroll(verb, support, order, give, accept)
5
muster(verb, accept, open, press, start)
5
recruit(verb, accept, press, join, admit)
5
volunteer(verb, agree, offer, undertake)
4
commission(verb, place, secure, sign, use)
4
induct(verb, take, press, raise, join)
3
call up(verb, expression, phrasal verb, accept, press)
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APASmart Define. (2015). sign up thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/sign_up/thesaurus/synonyms
ChicagoSmart Define. 2015. "sign up thesaurus" https://smartdefine.org/sign_up/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, sign up thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/sign_up/thesaurus/synonyms>.
MLASmart Define. "sign up thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/sign_up/thesaurus/synonyms>