1) Can be calendared 2) Dateable 3) Dated 4) Like events on a time line 5) Like potential boyfriends 6) Like singles 7) Of demonstrable age 8) Ready to go out 9) Single and available 10) Single and looking 11) That can be given a date 1) Dateable 
• (a.) That may be dated; having a known or ascertainable date.
Dat'a·ble adjective That may be dated; having a known or ascertainable date. ' Datable almost to a year.' The Century. 
[adj] - that can be given a date
dateable adjective that can be given a date; `a concrete and datable happening`- C.W.Shumaker