quickening noun4 •An increase of speed. •The first noticeable movements of a foetus during pregnancy, or the period when this occurs. •The action of bringing someone or something to life. •Stimulation, excitement (of a feeling, emotion etc.).It may indeed be said that these days brought on a high quickening of Maisie's direct perceptions, of her sense of freedom to make out things for herself. — 1897 formsquickenings