Until now (8)
'until now' is the definition.
(hitherto means until the present time)
This is all the clue.
(Other definitions for hitherto that I've seen before include "Up to this time" , "Up to this point" , "Heretofore (8" , "Previously" , "So far" .)
'until now' is the definition.
(both can mean up to the current point)
This is the entire clue.
(Other definitions for so far that I've seen before include "To this point" , "Up until the present moment" , "to a certain degree" , "till now" .)
'until now' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for to date that I've seen before include "Up until today" , "up to the present day" , "Until this point in time" , "Up to this time - check calendar" , "Amorous American's aim," .)
(Another definition for todate that I've seen is " Until this moment".)
(Other definitions for ever that I've seen before include "Continuously" , "Eternally" , "On any occasion" , "Eternity" , "To the end of time" .)