A fairly safe guess since there were so many of them.
"The safe guess, though, is that it's probably going to happen," a senior Administration official said, speaking on the condition of anonymity.
Since the stuff can bring $1 million for a single truckload, that seems a safe guess.
B: Publish a safe and predictable guess about new products.
It was a safe guess who he was talking about.
I didn't know that at all, but it had become an increasingly safe guess.
The plot shouldn't be given away, though anyone with an eye on the clock in Part One can make a safe guess.
The safe guess is, some combination of all the above.
It was a safe guess; his ambushes had yet to fail.
"He wasn't among the dead, so it's a safe guess that he was one of the men who escaped."