dated (Adjective) — Marked by features of the immediate and usually discounted past.
dated (Verb) — Meet with a lover or potential lover. ex. "Tonight she is dating a former high school sweetheart"
dated (Verb) — Stamp with a date. ex. "The package is dated November 24"
dated (Verb) — Assign a date to; determine the (probable) date of. ex. "Scientists often cannot date precisely archeological or prehistorical findings"
dated (Verb) — Date regularly; have a steady relationship with. ex. "He is dating his former wife again!"
dated (Verb) — Provide with a dateline; mark with a date. ex. "She wrote the letter on Monday but she dated it Saturday so as not to reveal that she procrastinated"