Princeton's WordNet

1. calm, calm down, cool off, chill out, simmer down, settle down, cool it(verb)

   become quiet or calm, especially after a state of agitation

   "After the fight both men need to cool off."; "It took a while after the baby was born for things to settle down again."

2. calm, calm down, quiet, tranquilize, tranquillize, tranquillise, quieten, lull, still(verb)

   make calm or still

   "quiet the dragons of worry and fear"

3. lull, calm down(verb)

   become quiet or less intensive

   "the fighting lulled for a moment"

Wiktionary

1. calm down(Verb)

   To become less excited, intense, or angry.

2. calm down(Verb)

   To cause to become less excited, intense, or angry.

• kalmeerAfrikaans
• يُهدّئ، يُسكّن، يُطمئنArabic
• успокоявамBulgarian
• acalmarPortuguese (BR)
• uklidnitCzech
• sich beruhigenGerman
• tag det roligtDanish
• ησυχάζω κπ.Greek
• tranquilizarse, calmarseSpanish
• rahustama, rahunemaEstonian
• آرام کردنFarsi
• rauhoittuaFinnish
• (se) calmerFrench
• לְהֵירָגַעHebrew
• शांत होनाHindi
• smiriti seCroatian
• megnyugtatHungarian
• menenangkanIndonesian
• róa, stillaIcelandic
• calmare, calmarsiItalian
• 落ち着かせるJapanese
• 가라앉히다Korean
• nu(si)ramintiLithuanian
• nomierināties; nomierināt; rimtiesLatvian
• menenangkanMalay
• (doen) bedarenDutch
• roe ned; ta det roligNorwegian
• uspokajać sięPolish
• آرام کردنPersian
• آرامولPashto
• acalmarPortuguese
• a (se) liniştiRomanian
• успокаивать(ся)Russian
• upokojiť (sa)Slovak
• umiriti (se)Slovenian
• umiritiSerbian
• lugna ner sig (ngn)Swedish
• ทำให้สงบThai
• sakinleş(tir)mek, yatış(tır)makTurkish
• 鎮靜下來Chinese (Trad.)
• заспокоювати(ся)Ukrainian
• تسکین دینا ، پُر سکون ہوناUrdu
• trấn tĩnhVietnamese
• 镇静下来Chinese (Simp.)