4
peacefully
3
easily
3
quietly
2
calmly
2
cozily
2
peaceably
2
placidly
2
quiescently
2
quiet
2
reposefully
2
serenely
2
tranquilly
1
calmingly
1
comfortably(adverb, luxuriously)
1
easefully
1
equably
1
pacifically
1
rest
1
rests
1
sedately
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APASmart Define. (2015). restfully thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/restfully/thesaurus/synonyms
ChicagoSmart Define. 2015. "restfully thesaurus" https://smartdefine.org/restfully/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, restfully thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/restfully/thesaurus/synonyms>.
MLASmart Define. "restfully thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/restfully/thesaurus/synonyms>