on mature reflection/consideration

on mature consideration

After having given something careful consideration over an appropriately long period of time. On mature consideration, I realize now that my comments during the election may have been hurtful to some citizens, and for that I apologize unreservedly. Many new homeowners are now, on mature consideration, beginning to wonder whether they made a worthwhile investment.
See also: consideration, mature, on

on mature reflection

After having given something careful consideration over an appropriately long period of time. On mature reflection, I realize now that my comments during the election may have been hurtful to some citizens, and for that I apologize unreservedly. Many new homeowners are now, on mature reflection, beginning to wonder whether they made a worthwhile investment.
See also: mature, on, reflection

on mature reˈflection/consideˈration

(formal) after thinking about something carefully and for a long time: He wanted to ban his staff from using the Internet at work, but on mature reflection he decided that this would not be good for morale.