dating

(noun) use of chemical analysis to estimate the age of geological specimens. Synonyms: geological dating.

(verb) go on a date with. Synonyms: date. Example: "Tonight she is dating a former high school sweetheart."

(verb) stamp with a date. Synonyms: date, date stamp. Example: "The package is dated november 24."

(verb) assign a date to; determine the (probable) date of. Synonyms: date. Example: "Scientists often cannot date precisely archeological or prehistorical findings."

(verb) date regularly; have a steady relationship with. Synonyms: go steady, go out, date, see. Examples: "Did you know that she is seeing an older man?." "He is dating his former wife again!."

(verb) provide with a dateline; mark with a date. Synonyms: date. Example: "She wrote the letter on monday but she dated it saturday so as not to reveal that she procrastinated."