Responsive

wiktionary

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From Middle French responsif, from Late Latin responsivus.

etymonline

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responsive (adj.)

early 15c., "making answer, responding," from Old French responsif and directly from Late Latin responsivus "answering," from Latin respons-, past-participle stem of respondere (see respond). Meaning "responding readily to influence or action, able or inclined to respond" is from 1762. Related: Responsively; responsiveness.