The most common and most likely answer to this crossword clue is the 11 letter word RESTORATION
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More clues leading to the result RESTORATION
- Oxygen inhaled in repose helping recovery
- Discontinue speech for refreshment
- Depend on love helping recovery
- Repair top of oven part following break
- Others will get lecture supporting Charles II’s return
- Repair of rare container with gold in base
- Repair broken toaster with iron elements
- Refreshment break before speech
- Pause in front of address, seeing renovations
- Others address period when Charles II reigned
Buddy explains!

The straight part
We know that "period when Charles II reigned" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case period when charles ii reigned = restoration.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 RESTORATION mean?
RESTORATION noun- The process of bringing an object back to its original state; the process of restoring something.
- The return of a former monarchy or monarch to power, usually after having been forced to step down.
- The receiving of a sinner to divine favor.