The most common and most likely answer to this crossword clue is the 10 letter word CONCEPTION
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More clues leading to the result CONCEPTION
Buddy explains!
The straight part
We know that "design" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case design = conception.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 CONCEPTION mean?
CONCEPTION noun- The act of conceiving.
- The state of being conceived; the beginning.
- The fertilization of an ovum by a sperm to form a zygote.
- The start of pregnancy.
- The formation of a conceptus or an implanted embryo.
- The power or faculty of apprehending of forming an idea in the mind; the power of recalling a past sensation or perception; the ability to form mental abstractions.
- An image, idea, or notion formed in the mind; a concept, plan or design.