"Lucas has the quality and mentality to do well. It is different for him in England, even small things like the grass that we play on is different," Benitez told liverpoolfc.tv.
"But he is adapting well and he has shown in recent games that he is a player of talent and one who can do well in this country.
"He could have scored against Everton and it is a pity he didn't because to score the winner in the derby would have been good for him. But he still played an important role in the victory, so that is good.
"He is a player who is comfortable in possession, can pass the ball really well, has good movement, is always involved and can get from box to box.
"He can remain as a holding midfielder but he also likes to get forward because he scores goals, so he is more of a complete midfielder."