Since the tragedy of 9-11, airlines have instituted security measures that may affect your travel.
We have instituted a pilot program in 16 targeted high schools.
She is most famous for prison reforms that she instituted during her term as Inspector General of Prisons.
WordNet 3.0 Sense Numbers: 1
I have instituted proceedings to validate my petitions.
WordNet 3.0 Sense Numbers: 2