Hooiveld told the Daily Record: "I think my style of play will be good for the Scottish league and I can do a very good job for Celtic.
"It should be something special for me to play for Celtic because they are a big classic club.
"It will be a very good move for and I have enjoyed being in the city to look around at things such as the stadium. It is all very impressive."
Hooiveld arrives as Gary Caldwell looks set for a move to Middlesbrough.
Celtic 1/6, Draw 6/1, Morton 14/1