quietude (n.)

• arrangement
• array
• ataraxia
• brevity
• briefness
• brusqueness
• calmness
• composure
• conciseness
• concord
• contemplation
• cool
• coolness
• countenance
• curtness
• dead
• deployment
• disposal
• disposition
• dumbness
• formation
• harmony
• hush
• imperturbability
• inaudibility
• laconism
• layout
• lineup
• lull
• mum
• muteness
• nirvana
• noiselessness
• order
• orderliness
• organization
• peace
• peacefulness
• philosophy
• placidity
• placidness
• proportion
• quiescence
• quiescency
• quiet
• quietism
• quietness
• regularity
• repose
• rest
• restfulness
• routine
• satori
• serenity
• setup
• shortness
• silence
• sleep
• slumber
• soundlessness
• speechlessness
• still
• stillness
• structure
• symmetry
• system
• taciturnity
• terseness
• tranquillity
• uniformity