maturely adv 1: in a mature manner; "she acts very maturely for her age" [ant: {immaturely}, {jejunely}]
Maturely \Ma*ture"ly\, adv. 1. In a mature manner; with ripeness; completely. [1913 Webster] 2. With caution; deliberately. --Dryden. [1913 Webster] 3. Early; soon. [A Latinism, little used] --Bentley. [1913 Webster]