harken

verb4

1. •
   To hear (something) with attention; to have regard to (something).

   • Thenceforth she past into his dreadfull den, / VVhere nought but darkesome drerinesse she found, / Ne creature saw, but hearkned now and then / Some little whispering, and soft groaning sound. — 1596
2. •
   (US, figurative) To hark back, to return or revert (to a subject, etc.), to allude to, to evoke, to long or pine for (a past event or era).

   • Bell argued that the manual approach was "backwards," and harkened to a primitive age where humans used gesture and pantomime. — 2005
3. •
   To listen; to attend or give heed to what is uttered; to hear with attention, compliance, or obedience.

   • Who so hearkeneth vnto me, shal not come to confusion, & they that worke by me, shal not offende; [they that make me to be knowen, shal haue euerlasting life.] — 1560
4. •
   (no longer used) To enquire; to seek information.

   • Claudio. Hearken after their offence my Lord. / Prince. Officers, what offence haue these men done? — 1598