The classical reply to 1.d4 trusted at every level: Tartakower setup, plus plans against the Exchange variation and the Catalan.
Moves: d4 d5 Nbd7 Nbd2 Nc3 Nf3 Nf6 Bg5 Nf3 cxd5 c4 e6 Be7 e3 O-O Nf3 h6 Bh4 b6 Be2