I'd like to claim brilliant deduction, but it was routine.

I regaled Gamble with my brilliant deductions to buy you some time.

From a mere aroma and my bad Italian, you make a brilliant deduction.

I would take action, make brilliant deductions, identify the guilty, and rescue the innocent.

He does not like to have his brilliant deductions anticipated.

Congratulating myself on my brilliant deductions, I went to the back of the attic.

Such conviction, when faced with your brilliant deductions, carries weight.

Did you arrive at any brilliant deductions in the last four hours?

Now then, sit down and tell me what other brilliant deductions you have made.

Not exactly a brilliant deduction on my part, but it was a start.