balk
...at the idea of moving to another town

buttress
to buttress an idea

entertain
to entertain a dangerous idea

exploded
an exploded idea

faint
I haven't the faintest idea

flop over
to flop over to a new idea

foggy
I don't have the foggiest idea!

get across
he couldn't get the idea across

get over
she got the idea over

half-assed
half-assed idea

idea
to have other ideas

implant
to implant an idea in somebody's head

leading
leading idea

misconceived
a misconceived idea of

misty
misty idea

novel
a novel idea

play with
I was playing with the idea of

prepossess
to prepossess somebody with an idea

run away with
don't run away with the idea that...

screwy
he has the screwy idea that...

senseless
a senseless idea

shrewd
he had a shrewd idea that...

topping
that's a topping idea

toy
...with the idea of moving to Australia

trite
a trite idea

try out
the idea needs to be tried out

tumble to
to tumble to an idea

vague
he hasn't the vaguest idea