To cause to grow old; to impart the characteristics of age to.
Grief ages us.
To postpone an action that would extinguish something, as a debt.
Money's a little tight right now, let's age our bills for a week or so.
To categorize by age.
One his first assignments was to age the accounts receivable.
To grow aged; to become old; to show marks of age.
He grew fat as he aged.
Old people, collectively.