concentrative

With all the strong concentrative might of his otherwise hard nature, he loved her.

After some time, however, Woodward's glance seemed to lose its concentrative power, and gradually to become vague and blank.

In trades where the concentrative process has proceeded furthest this warfare is naturally fiercest.

C D is also concentrative, though less so than B C, and is more strongly sensational.

I'll see if I can't develop my concentrative faculty and introduce a few of the same performances in our show.