Her thoughts wandered to the other friends she had made there.

For a minute or two only his thoughts wandered over the past few hours.

When you become aware that your thoughts are wandering, simply focus again on the present moment.

For the first time since he'd started the evolution, his thoughts wandered.

For a time her thoughts wandered, as they had done during more peaceful times.

So my thoughts were wandering when three young men seated themselves near me.

I let my thoughts wander for a moment, deciding whether to continue.

I don't like the thought of his wandering here unaccompanied.

His thoughts had wandered to a subject that mattered more.

With this strange expression on him his thoughts had wandered away.