Cozy

co·zy
ˈkōzē/
adjective
adjective: cosy; comparative adjective: cosier; superlative adjective: cosiest; adjective: cozy; comparative adjective: cozier; superlative adjective: coziest

1.
giving a feeling of comfort, warmth, and relaxation.
"a cozy cabin tucked away in the trees"
synonyms: snug, comfortable, warm, homelike, homey, homely, welcoming; safe, sheltered, secure, down-home, homestyle;
informal comfy, toasty, snug as a bug (in a rug)
"a cozy country cottage"
(of a relationship or conversation) intimate and relaxed.
synonyms: intimate, relaxed, informal, friendly
"a cozy chat"
avoiding or not offering challenge or difficulty; complacent.
"a rather cozy assumption among automakers that they would never actually go bust"
(of a transaction or arrangement) working to the mutual advantage of those involved (used to convey a suspicion of corruption).
"a cozy deal"

noun
noun: cosy; plural noun: cosies; noun: cozy; plural noun: cozies

1.
a soft covering to keep a teapot, boiled egg, etc., hot.
"a photograph of Smith pouring tea from a pot with a knitted cozy"
a soft decorative cover for an object.
"a handmade phone cozy"
North American
an insulating sleeve used to keep a canned or bottled drink cold.
"guests received beer cozies"

verbinformal
verb: cosy; 3rd person present: cosies; past tense: cosied; past participle: cosied; gerund or present participle: cosying; verb: cozy; 3rd person present: cozies; past tense: cozied; past participle: cozied; gerund or present participle: cozying

1.
give (someone) a feeling of comfort or complacency.
"she cozied him, pretending to find him irresistibly attractive"