happy

/ˈha-pē/

Middle English, from hap

adjective

favored by luck or fortune : fortunate
notably fitting, effective, or well adapted : felicitous
enjoying or characterized by well-being and contentment

a happy coincidence

lucky fortunate happy providential mean meeting with unforeseen success. lucky stresses the role of chance in bringing about a favorable result. fortunate suggests being rewarded beyond what one deserves.

noun

one who is content

adjective

blithely unconcerned : carefree