verb adjust so as to be in a synchronized condition.
noun any distinct time period in a sequence of events.
— synonyms: stage
noun (physical chemistry) a distinct state of matter in a system.
— synonyms: form
noun a particular point in the time of a cycle.
— synonyms: phase_angle
noun (astronomy) the particular appearance of a body's state of illumination (especially one of the recurring shapes of the part of Earth's moon that is illuminated by the sun).