metronomic (?.)

• alternate
• annalistic
• beating
• calendarial
• calendric
• chronogrammatic
• chronographic
• chronologic
• chronoscopic
• circling
• cyclic
• dated
• diaristic
• epochal
• even
• every other
• horologic
• intercalary
• intercalated
• intermittent
• isochronal
• measured
• oscillatory
• periodical
• pulsing
• reciprocal
• recurrent
• recurring
• rhythmic
• rotary
• seasonal
• serial
• steady
• temporal
• timekeeping
• undulant
• undulatory
• wavelike
• wheeling