would think
Que penserait ta mère si elle te voyait ainsi ?
What would your mother think if she saw you like this?
On en parlerait pas, mais on y penserait !
We wouldn't talk about it, but we'd think about it!
— Jean de Florette (1986)
Il s'y opposait, il a dit qu'il y penserait.
He was opposed to it; he said he would think about it.
— Assurance sur la mort (1944)
Un vrai scientifique ne penserait pas de cette manière.
A real scientist would not think this way.
He said he would think about it.