"And what do you suppose the most likely reason for that is?"

The likely reason for this change was his failing health.

However it has since been removed, for the likely reason of more space in the area.

He looked out, and saw the likely reason for Fraser's visit.

His list of likely reasons does not mention another one.

That I didn't divine the likely reason why no others were present?

She said that the most likely reason was my high amount of existing credit.

The most likely reason was something to do with him.

A more likely reason, however, has to do with geography.

"Although the only other likely reason would be to buy something on the black market, which is illegal."