[1] : WordNet (r) 2.0

up to now
     adv 1: used in negative statement to describe a situation that has
            existed up to this point or up to the present time;
            "so far he hasn't called"; "the sun isn't up yet"
            syn: so far, thus far, hitherto, heretofore,
            as yet, yet, til now, until now
     2: prior to the present time; "no suspect has been found to
        date" syn: to date
see also:
so far thus far hitherto heretofore as yet yet 
til now until now to date 

Ante Up >> A Words
Ante Up, definition of term: Ante Up
ante+up_pag1.html

Act Up >> A Words
Act Up, definition of term: Act Up
act+up_pag1.html