Good reasoning power would lead to the betterment of society.

There was no reasoning power, no human reckoning to go by.

Perhaps the public might not have lost the last vestige of their reasoning power had not still further evidence come to light.

If he then finds it, that is no tribute to his reasoning powers.

In terms of raw reasoning power, it probably wasn't much brighter than a single pack member.

This was the young astronomer's first full day of restored reasoning power.

I once saw an interesting proof of his reasoning powers during a long and difficult hunt.

Things that any brain should know if it used all its reasoning power.

He was a man who had come far on his intelligence, his reasoning power, and imagination.

You have conceded the reasoning power in two instances.