44 entries under settle topic. ×

17
strengthen(verb, support, close, set, fix)
14
brace(verb, support, close, set, fix)
13
harden(verb, support, close, set, increase)
12
fortify(verb, support, close, set, fix)
11
reinforce(verb, support, close, set, fix)
10
temper(noun, verb, close, set, fix)
8
anneal(verb, support, close, set, fix)
7
stiffen(verb, support, close, set, fix)
6
indurate(verb, close, set, fix)
5
buttress(verb, support, close, set, fix)
5
callous(verb, adjective, close, set, fix)
4
steel(verb, support, close, set, fix)
3
calcify(verb, close, set, fix)
3
consolidate(verb, support, close, set, fix)
3
fossilize(verb, close, set, fix)
3
gird(verb, support, close, set, fix)
3
nerve(verb, close, set, fix)
3
ossify(verb, close, set, fix)
3
petrify(verb, close, set, fix)
3
vitrify(verb, close, set, fix)
<123>
11 years ago|4.3k views|share |citing 
APASmart Define. (2015). toughen thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/toughen/thesaurus/synonyms
ChicagoSmart Define. 2015. "toughen thesaurus" https://smartdefine.org/toughen/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, toughen thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/toughen/thesaurus/synonyms>.
MLASmart Define. "toughen thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/toughen/thesaurus/synonyms>