Synonyms of the word

ripening

• n. The process of becoming ripe.
• v. present participle of ripen.

ageing

• v. (Australia, New Zealand, Britain) present participle of age.
• n. (Australia, New Zealand, Britain) The process of becoming older or more mature.
• n. (Australia, New Zealand, Britain) The deliberate act of making something (such as an antique) appear older…
• n. (Australia, New Zealand, Britain, gerontology) Becoming senescent; accumulating damage to macromolecules,…
• adj. (Australia, New Zealand, Britain) Becoming elderly.

aging

• v. present participle of age.
• n. (intransitive) The process of becoming older or more mature.
• n. (transitive) Allowing something to become older.
• n. (transitive) The deliberate act of making something (such as an antique) appear older than it is.
• n. (gerontology) Becoming senescent; accumulating damage to macromolecules, cells, tissues and organs with…
• n. (euphemistic) Elderly person. Only as a collective plural in "the aging".
• adj. Becoming elderly.

maturation

• n. The process of becoming mature.
• n. (biology) The process of differentiation that produces the adult form of an organism.