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or tran·quil·li·ty  (trăng-kwĭl′ĭ-tē, trăn-)
The quality or state of being tranquil; serenity.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tranquility - a disposition free from stress or emotiontranquility - a disposition free from stress or emotion
calm, calmness, composure, equanimity - steadiness of mind under stress; "he accepted their problems with composure and she with equanimity"
ataraxia - peace of mind
2.tranquility - an untroubled statetranquility - an untroubled state; free from disturbances
order - established customary state (especially of society); "order ruled in the streets"; "law and order"
3.tranquility - a state of peace and quiettranquility - a state of peace and quiet    
calmness - a feeling of calm; an absence of agitation or excitement
peace of mind, ataraxis, peacefulness, repose, serenity, peace, heartsease - the absence of mental stress or anxiety
easiness, relaxation - a feeling of refreshing tranquility and an absence of tension or worry; "the easiness we feel when sleeping"


or tranquility
2. Lack of emotional agitation:


n. tranquilidad, descanso.
References in classic literature ?
Satisfied on these great points and with tranquility everywhere, I too should have had my Congress and my Holy Alliance.
The four railways from Philadelphia and Washington, Harrisburg and Wheeling, which converge at Baltimore, whirled away the heterogeneous population to the four corners of the United States, and the city subsided into comparative tranquility.
The BJP on the other hand is less concerned about peace and tranquility.
benefit of traveling presence favoring public tranquility and social cohesion.
From that time on there will be little tranquility on earth or in the heavens unless the "peaceful uses of outer space" include global-lunar television.
The spokesperson said that during his meeting with Indian prime minister, President Xi Jinping said that China and India should respect each other, seek common grounds and shelve difference and work together to ensure peace and tranquility of border area.
By: Nancy Ragab ALEXANDRIA, Egypt - 24 August 2017: Walking through Qena, in Upper Egypt, this is a common scene, which only goes to show that tranquility is best found where one is not concerned with everyday complexities.
Summary: Beijing [China], Aug 16 (ANI): China on Wednesday said that its border troops are always committed to maintain the peace and tranquility along the Indo-China border.
These efforts have been culminated with success today and in a way that contributes to restore stability and tranquility to worshipers and preserve their dignity and security.
BEAM was installed April 16 on the Tranquility module after being delivered aboard the SpaceX Dragon cargo craft.
Open the pages of Bible Tranquility and allow God to guide your hand as He soothes your soul and leads you on a path to serenity.
Whereas the region is witnessing destructive acts of extremist groups and needs tranquility and stability, hearing of escalation of clashes in the Karabakh region between Azerbaijan and Armenia is source of deep concern for the Islamic Republic of Iran," he added.