Also see definition of "Apply" in Word Study
Apply
APPLY [isbe]
APPLY - a-pli': Purely an Old Testament term representing five Hebrew originals which signify respectively, "to enter," "to incline," "to give," "to go about," "to put or place," in each instance spoken of the heart in its attitude to wisdom (Ps 90:12 the King James Version); instruction (Prov 23:12); understanding (Prov 2:2); knowledge (Prov 22:17).
Also see definition of "Apply" in Word Study