"It's a joy to watch them in front of me when I play," Blind told Sky Sports.
"Sometimes you have to take a moment and enjoy the action if they make something happen. It's a pleasure to play with talent like that."
Lukaku's goals have laid the foundations upon which United have set the early pace at the top of the table.
Asked how important Lukaku could be for United's hopes of winning their first title since 2013, Blind added: "Very important. He is already important for us.
"But it's not just him, it's the team. We are competing at the top of the Premier League now and that is where we want to be.
"We have to be aware that we have to give it every time in every game to stay there - that is up to us.
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