adv. arch. [f. ATTENT a. + -LY2.] Attentively, with heed or attention.
1562. N. Winȝet, Tractate (1835), 6. To watch attently and continually upon your flock.
1647. Jer. Taylor, Dissuas. Popery, ii. (1686), 158. Say your prayers or offices attently, reverently and devoutly.
1866. Neale, Seq. & Hymns, 137. Listen attentlier yet.