Synonyms for Now:

adj.

present (adjective)
present-day, existent.

adv.

presently (adverb)
at the moment, just now, instantly, immediately, at once, these days, directly, right away, nowadays, momentarily, right now, straightaway, today, soon, here and now, forthwith.

n.

headlong, momentarily, fast, just now, suddenly, straight away, on-the-spot. if you like, GOTCHA, soon, O.K., I see, I know what you mean, I know, all-right, I see/take your point, of course. currently, time, actually, like, I'm sorry, you know, And. right now, at this juncture, these days, at the moment. who/why/what etc. ever?, wherever, in the least, whatever, in the world, Whoever, Whenever, at all, what/why/how/where etc. on earth, however. emancipated, existing, sexual politics, suffragette, feminism, the women's movement, contemporary, present-day, existent, sexist, new, current, feminist, glass ceiling, sexism. to be continued, once upon a time, the long and the short of it, it all began, there I was/we were, to make/cut a long story short, oh, with that, someone does something, well. at times (noun)
sometimes.
now (noun)
today, immediately, immediacy, here and now, at once, straightaway, at present, instantly, instant, in real time, straight off, present, right away, nowadays, forthwith, directly.
without delay (noun)
time.

Other synonyms:

present-day, currently. new. current, And, actually, like, existent, existing. contemporary. oh. well. O.K.. at times
sometimes.
immediately
momentarily, immediately.
Other relevant words:
existent, momentarily, And, current, actually, just now, directly, right now, in real time, currently, existing, nowadays, at present, these days, like, present-day, at once, straight away, soon, at the moment, immediately, straight off, forthwith, right away, sometimes, new, at this juncture, straightaway, instantly, contemporary.

Usage examples for now

  1. It was all over now and he didn't want to hear another word about it. – The Honour of the Clintons by Archibald Marshall
  2. Now what should Wych Hazel do? – The Gold of Chickaree by Susan Warner