out of the chute
straight out of the chute
off the bat
off the rip
right now
in the twinkling of an eye
from the get-go
from the word go
in the blink of an eye
right
initially
at first
steal a march
fly out of the traps
most Rikki-Tik
snap to it
embark
pitch in
break into
to begin with
begin
day one
exordium
presently
instant
commence
tatkal
tout de suite
set forth
inaugurate
kick off
instanter
out of the gate
at one stroke
start
start off
tip off
start up
incept
start out
get-go
this instant
front
autostart
off
flying start
running start
get going
commencer
initiate