1.Definition: at the highest point of development especially in judgment or knowledge
"A ripe mind"
2.Definition: far along in time
"A ripe old age", "The ripe age of 90"
3.Definition: fully developed or matured and ready to be eaten or used
4.Definition: fully prepared or eager
"The colonists were ripe for revolution"
5.Definition: most suitable or right for a particular purpose
"The time is ripe for great sociological changes"