[lucky] adj luck.i.er ; -est (15c) 1: having good luck
2: happening by chance: fortuitous
3: producing or resulting in good by chance: favorable
4: seeming to bring good luck "a ~ rabbit's foot" -- luck.i.ness n syn lucky, fortunate, happy, providential mean meeting with unforeseen success. lucky stresses the agency of chance in bringing about a favorable result "won because of a lucky bounce". fortunate suggests being rewarded beyond one's deserts "fortunate in my investments". happy combines the implications of lucky and fortunate with stress on being blessed "a series of happy accidents". providential more definitely implies the help or intervention of a higher power "a providential change in the weather".