[f. as prec. + -NESS. Cf. the earlier ENTENTIVENESS, TENTIVENESS.] The quality of being attentive; heed, attention.
1549. Chaloner, trans. Erasm. Moriæ Enc., E ij b. Vouchsafe me your eares and attentivenesse.
a. 1656. Hales, Gold. Rem. (1688), 31. To have held your attentiveness with new and quaint conceits.
1742. Richardson, Pamela, III. 404. Polly heard me with more attentiveness than I expected.