Use "tranquillizing" in a sentence

1. "As for me, so nervous, and so subject to fainting fits, I should require a Doctor Adelmonte to invent for me some means of breathing freely and tranquillizing my mind, in the fear I have of dying some fine day of suffocation

2. She briefly considered waking Lasse and asking him to give August one of those tranquillizing suppositories they now had, but then discarded that idea