At once, at present, asap, and as soon as possible are all synonyms for now. Before and then are these antonyms of now. And here are another 41 synonyms for now.
Now Synonyms
1. at the moment
- At present
- At the minute
- At the moment
- At the present moment
- At the present time
- At this moment in time
- At this time
- Currently
- Here and now
- In the present circumstances
- In the present climate
- In this day and age
- Just now
- Nowadays
- Presently
- Right now
- These days
- Things being what they are
- Today
- Contemporarily
2. at once
- ASAP
- As soon as possible
- At once
- Directly
- Immediately
- Instantly
- Promptly
- Pronto
- Right away
- Right now
- Straight away
- Straight off
- Straightway
- This instant
- This minute
- Toot sweet
- Tout de suite
- Without delay
- Without further/more ado
- Instanter