Adelaide showed that they will be a threat to Western Sydney, who now juggle Champions League responsibility, as they completely outclassed Wellington who looked well off the pace.
Adelaide United took control of the match from the opening whistle, with Jeronimo and Isaias looking impressive and giving Glenn Moss plenty of work.
In the ninth minute Adelaide had their first chance as Jeronimo got around his defender and hit a ball low and hard but was denied by a Moss save.
That was a sign of things to come as Isaias hit a curling strike from inside the box that Moss did well to get to despite the movement.
Adelaide just kept on going with the pace leaving Wellington well out of the match with only half chances falling to Wellington.
In the 23rd minute Jeronimo hit a spectacular opener as he skipped around Michael Boxall and took a touch before unleashing a beautiful volley that left Moss with no chance.
Six minutes later and the second came as Sergio Cirio easily sent home Fabio Ferreira’s cross that found him perfectly.
Adelaide nearly made it three right before the break when a free-kick on the edge of the area which allowed Michael Zullo to hit an impressive free-kick that came off the post, keeping it 2-0 at the break.
Just before the hour mark that third goal did come as Tarek Elrich found Ferreira who was able to hit the ball powerfully with his first touch, hitting it in to the upper left corner to take away any hope Wellington had.
Ferreira resumed his role of provider just on the other side of the hour as he sent a ball in for Jeronimo who slammed it home to make it four.
Five minutes later Wellington found a consolation goal as Kenny Cunningham hit a powerful strike from distance that left Eugene Galekovic with no chance.
Jeronimo just missed out on a hat-trick in stoppage time as his shot came off the post but it did result in an Adelaide goal as the rebound fell to Awer Mabil who tapped it home for a 5-1 win.