bring into being; "He initiated a new program"; "Start a foundation"
come into existence; take on form or shape; "A new religious movement originated in that country"; "a love that sprang up from friendship"; "the idea for the book grew out of a short story"; "An interesting phenomenon uprose"
begin a trip at a certain point, as of a plane, train, bus, etc.; "The flight originates in Calcutta"
suddenly and unexpectedly; "rain caught them unawares"; "sorrow comes to all, and to the young it comes with bittered agony because it takes them unawares"- A.Lincoln
without forethought or plan; inadvertently; "came upon the diamond unawares"
done or made using whatever is available; "crossed the river on improvised bridges"; "the survivors used jury-rigged fishing gear"; "the rock served as a makeshift hammer"
without apparent forethought or prompting or planning; "an unplanned economy"; "accepts an unplanned order"; "an unplanned pregnancy"; "unplanned remarks"