1.immediately adv.
2.this instant
3.instantly adv.
4.this moment
5.straight off
6.straightway adv.
7.there and then
8.ad. at once, immediately
9.ad. at once, immediately instantly, presently, on the spot straight off, promptly
10.at once, without delay, immediately
11.once
12.immediately
13.presto
14.promptly, outright
15.promptly, outright, instantly (adv), aye
16.immediately; once(at); straight away
