He supported her decision 'without reservation'. [=he completely supported her decision]
My only 'reservation' about buying the car was its high price.
We made dinner 'reservations' at the restaurant for 6 o'clock.
(..) Smart? Single. Welcome to the Hotel Splendid. Your name, sir? James Bond. You'll find the reservation under Beech. -Welcome, Mr. Bond. -You sign that, dear. You represent the Treasury. Thank you. Enjoy your stay. I will. Thank you. (..)2006 Casino Royale
(..) Security to car park. Absolutely incredible. Welcome to the Ocean Club, sir. Checking in? Yes. But it's a spur-of-the-moment thing, and I haven't got a reservation. Okay. -We have an ocean-view villa. -Perfect. Could you do me a favor? I was here last night... (..)2006 Casino Royale