"maturer" in the adjective sense
1. mature
characteristic of maturity
"mature for her age"
2. mature, matured
fully considered and perfected
"mature plans"
3. mature
having reached full natural growth or development
"a mature cell"
4. ripe, mature
fully developed or matured and ready to be eaten or used
"ripe peaches"
"full-bodied mature wines"
5. fledged, mature
of birds) having developed feathers or plumage often used in combination
Source: WordNet® (An amazing lexical database of English)
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