Definition of "respond"

respond

/ɹɪˈspɒnd/

verb
third-person singular simple present responds, present participle responding, simple past and past participle responded
1. (transitive, intransitive) To say something in return; to answer; to reply.
2. (intransitive) To act in return; to carry out an action or in return to a force or stimulus; to do something in response.
  Quotations
  As in much of biology, the most satisfying truths in ecology derive from manipulative experimentation. Tinker with nature and quantify how it responds.
  2012 January, Robert M. Pringle, “How to Be Manipulative”, in American Scientist‎, volume 100, number 1, archived from the original on 3 October 2013, page 31
3. (transitive, intransitive) To correspond with; to suit.
  Quotations
  For his great deeds respond his speeches great.
  1600, [Torquato Tasso], “(please specify |book=1 to 20)”, in Edward Fairefax [i.e., Edward Fairfax], transl., Godfrey of Bulloigne, or The Recouerie of Ierusalem. […], London: […] Ar[nold] Hatfield, for I[saac] Iaggard and M[atthew] Lownes
4. (transitive) To satisfy; to answer.
5. (intransitive) To be liable for payment.
noun
plural responds
1. A response.
2. A versicle or short anthem chanted at intervals during the reading of a lection.
3. (architecture) A half-pillar, pilaster, or any corresponding device engaged in a wall to receive the impost of an arch.