Lewis & Short

dī-lūcĕo, ēre, v. n., lit., to be light enough to distinguish objects apart; hence, trop., to be clear, evident (rare): dilucere brevi fraus coepit, Liv. 8, 27 fin.; cf. id. 3, 16; 25, 29 fin.: emolumentum ejus in animo tuo dilucebit, Gell. 16, 8, 16.
With a subject-clause: satis dilucet, hanc capionem posse dici, Gell. 7, 10, 3.