JMdict: 2005590

効かせる 【きかせる】

  1. [v1,vt] to bring out (the effect of); to put to good use; to make use of (e.g. threats); to use (e.g. intimidation); to take advantage of (e.g. one's influence); to season (with salt, etc.); to put in
  2. [v1,vt] to use (tact, wit, etc.); to exercise; to display
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Kanji in this word:

Kanji Meanings On Readings Kun Readings
Merit, Efficacy, Efficiency, Benefit コウ き.く, ききめ, なら.う