Yes, aged can be used in sentences.
He had aged very well.
The whiskey had aged well and the taste was good.
Because of the aged population, the government would need to be able to provide more money for pensions.
My aged father is inclined to be intentionally froward.
Ex: that movie wasn't very appropriate
At the outset.
I am searching for an appropriate synonym.
The brandy has aged well.As he aged, he became much wiser.
You can put their if you are referring to many/plural.
The plaintiff will prepare the appropriate documents to effectuate the settlement.
please wear approprite clothing to school.
The eulogy of the deceased was kind and appropriate.
The students had difficulty assigning the creature to an appropriate taxon.
1. Eww, don't stick your tongue out! That's not appropriate! 2. The town will appropriate funds to begin building the new college.
To unfrock somebody is to remove them from a certain position. An example sentence is: It seemed only appropriate to unfrock him.