The most common and most likely answer to this crossword clue is the 9 letter word ORIGINATE
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More clues leading to the result ORIGINATE
- Found cipher kit in a note
- Start to speak pompously having consumed one drink
- Rise and speak at length about one with spirit
- Start to hold forth about one spirit
- I drink during lecture in spring
- Start to speak pompously having necked one drink
- Start cooking or eating around one
- Start to speak about Italian leader with spirit
- Spring lecture given without single drink
- One trap set during harangue in spring
Buddy explains!

The straight part
We know that "Start" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case start = originate.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does ORIGINATE mean?
ORIGINATE verb- To cause to be, to bring into existence; to produce, initiate.
- To come into existence; to have origin or beginning; to spring, be derived (from, with).