1. Within the realm of possibility
   "the weather may conceivably change"

See also: conceivable

• counterreformation
• counterrevolution
• counterrevolutionary
• counterrevolutionist
• countershaft
• countershot
• countersign
• countersignature
• countersink
• countersink bit
• counterspy
• counterstain
• counterstrike
• countersubversion
• countersuit
• countertenor
• counterterror
• counterterrorism
• counterterrorist
• Counterterrorist Center
• countertop
• countertransference
• countervail
• countervailing duty
• counterweight