1. As can be shown by argument
   "she is arguably the best"

See also: arguable

• cleanliness
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• cleansing agent
• Cleanthes
• cleanup
• cleanup position
• cleanup spot
• clear
• clear and present danger
• clear away
• clear liquid diet
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• clear sailing
• clear the air
• clear the decks
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• clear-air turbulence
• clear-cut
• clear-eyed