The quality or state of being concerted; the fact of being planned and carried out together with coordination.
From 'concerted' plus the noun-forming suffix '-ness,' creating an abstract noun that describes the condition of acting in unison.
The 'concertedness' of a team's effort is measurable in their synchronization—it's why synchronized swimmers look so different from regular swimmers, and why military drills demand this exact quality.
Complete word intelligence in one call. Free tier — 50 lookups/day.