Definitions: (1) making do with the tools and materials at hand <usually filling an unforeseen and immediate need>; (2) spontaneously creative

Derivation: Latin, “to see beforehand and prepare or provide for the future”

Quote: The great majority of people are calm, resourceful, altruistic or even beyond altruistic, as they risk themselves for others. We improvise the conditions of survival beautifully. — Rebecca Solnit (1961-) American writer