maturern.
/məˈtʃʊərə/, /məˈtjʊərə/, /məˈtʃɔːrə/, /məˈtjɔːrə/, U.S. /məˈtʃərər/, /məˈtʃʊrər/, /məˈt(j)ʊrər/ 1. A person who brings something to maturity. rare.
ΘΚΠ
the world > action or operation > undertaking > preparation > [noun] > state of being in preparation > making or becoming mature > one who or that which causes
maturer1863
ripener1871
1863 W. Hanna Our Lord's Resurrection 18 The nourisher, the maturer of that eternal life which is for our souls in him.
1999 Daily Tel. 2 July 5/1 The lawfulness of the ban was challenged by the cheese processors and maturers, the Eastside Cheese Company, of Godstone, Surrey.
2. With modifying word, as early, late, etc.: a person who attains physical or emotional maturity at a specified time (relative to others).
ΚΠ
1962 Amer. Jrnl. Sociol. 68 279/2 They are strongly reminiscent of the ill-adjusted late maturers of Jones and Bayley.
1988 New Scientist 21 July 47/2 Girls who do well at sport are late developers, while boy athletes are the early maturers.
1995 Independent 8 Dec. (Suppl.) 6/1 Many men are late maturers and are ill-suited to fatherhood in their twenties and thirties.
This entry has been updated (OED Third Edition, March 2001; most recently modified version published online March 2022).
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n.1863