Answer: synchronousness

AnswerCrossword Clue
SYNCHRONOUSNESSSimultaneous timing
synchronousnessoccurring at the same time
synchronousness(of a satellite) traveling in an orbit that keeps it in the same spot over the earth
synchronousnessoperating at the same rate
synchronousnessoperating at fixed intervals
synchronousnesshaving the same frequency and zero phase difference
synchronousnessSYNCHRONOUS, happening at the same time