Lewis & Short

mātūresco, rŭi, 3, v. inch. n. [maturus], to become ripe, ripen, to come to maturity (class.).

  1. I. Lit., of fruits: cum maturescere frumenta inciperent, Caes. B. G. 6, 29, 4; id. B. C. 3, 49: fructus maturescens, Plin. 16, 26, 44, § 107.
  2. II. Transf.: partus maturescuntnovem lunae cursibus, * Cic. N. D. 2, 27, 69: nubilibus maturuit annis, ripened to marriageable years, i. e. a marriageable age, Ov. M. 14, 335: libros opinabar nondum satis maturuisse, Quint. Inst. Ep. ad Tryph. 1: si virtutes ejus maturuissent, had come to maturity, to perfection, Plin. Ep. 5, 9, 5.