tranquilidad[Espagnol]

nom
1 : an untroubled state; free from disturbances
2 : the condition of being comfortable or relieved (especially after being relieved of distress)
3 : the act of reassuring; restoring someone's confidence
4 : the property of making no sound
5 : a state of peace and quiet
6 : (poetic) tranquil silence
7 : a disposition free from stress or emotion
8 : steadiness of mind under stress
9 : a feeling of calm; an absence of agitation or excitement
10 : a state that is calm and tranquil
11 : the act of making less strict
12 : the feeling that comes when something burdensome is removed or reduced
13 : the absence of mental stress or anxiety