Zaha has been a key player for the Eagles so far this season and Palace have struggled without the 25-year-old in recent times - not winning a Premier League game the Ivory Coast international has missed since September 2016.
Palace have lost all nine league games Zaha has not featured in this season and Hughton said: "He’s a brilliant player and has had a big affect on their season, but that’s the case at every club.
"They all have their players that can have a big influence, but he’s really developed as a player in the last few seasons. He had a period at United which didn’t work out, but he’s very much on the top of his game now.
"But you can’t be conscious of just one player as they’ve a very good side with some very good players.
"On their day they are a very good side and we’ll have to be mindful of them as a team, not just as individuals, but you have to be conscious of Zaha and the form he’s in."