"bring to pass, accomplish, achieve," 1570s, from French effectuer, from Latin effectus "an effecting, accomplishment, performance" (see effect (n.)). According to OED, formed "on the model of" actuate. Related: Effectuated; effectuating.
effective
effectively
effectiveness
effects
effectual
effectuate
effeminacy
effeminate
effendi
efferent
effervesce