chronological 1. Arranged in the order of time sequence or occurrence. 2. Relating to or dealing with chronology. 3. Chronological age refers to a person's actual age as calculated from birth, as opposed to any age classification based on the rate of mental development. Time goes, you say? Ah no! Alas, Time stays, we go. —Austin Dobson (1840-1... Found on http://www.wordinfo.info/words/index/info/view_unit/2781/3