She was reacting automatically from some well of knowledge deeper than her training.

The major reacted automatically to the voice of con-fident command.

He automatically reacts away from the most serious danger.

She reacted automatically, rolling on her side, away from whatever she'd brushed against.

Melody reacted automatically for her own kind: She jumped to the side.

He had seen the three dots before the others and reacted automatically.

For a moment there, it had seemed to him that he was another person who reacted automatically.

I can't afford to react automatically to things - not even in my personal life.

After a lifetime among formulae his mind reacted automatically to the letter of the situation.

And he described how the old clerk's mind reacted automatically to stimulus of a legal sort.