for a fact (adverb) certainly: without doubt
Sinonime: calmness, dispassion, doldrums, hush, impassivity, imperturbation, lull,
patience, peace,
peace of mind, peacefulness, placidity, quiet,
repose,
rest,
restraint,
serenity, silence, stillness, stoicism, tranquility
Antonime: agitation,
anger,
madness, restlessness, storminess,
terror,
turbulence,
violence