readiness
noun
1 their readiness to accept new technology:
willingness, inclination, enthusiasm, eagerness, keenness, gameness;
promptness, quickness, alacrity;
ease, facility;
dated address.
3 I was surprised at the readiness of his reply:
promptness, quickness, rapidity, swiftness, speed, speediness, punctuality, timeliness;
cleverness, sharpness, astuteness, shrewdness, keenness, discernment, aptness, adroitness, deftness, skill, skillfulness.