Possible Clues:

• Meddling when abandoning short term, in conclusion
• Conclusion reached on the basis of evidence and reasoning
• Deduction
• Niece fern (anag.)
• What was gathered at the wicket about to penetrate boundary?
• Popular monarch protected within barrier, it's concluded
• What's gathered within barrier engineers brought in
• Radio problem? Three characters get ejected as conclusion
• Conclusion reached by reasoning
• Isn't regularly on guard outside, one's deduced