synchronous

adj. occurring at the same time, simultaneous, coincident, concurrent, contemporaneous

Synchronicity or synchronous can refer to the following meanings:synchronization, the coordination of events to operate a system in unison.Synchronization (computer science)Synchronization (alternating current)synchronicity, a term from Jungian psychology.Synchronicity (album), an album by The Police."Synchronicity II", a song by The Police from the above album.Synchronicity (Olivia), an album by OLIVIA (Olivia Lufkin).Synchronicity Software an EDA application and company that was later acquired by MatrixOne
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Adjective
1. occurring or existing at the same time or having the same period or phase; "recovery was synchronous with therapy"- Jour.A.M.A.; "a synchronous set of clocks"; "the synchronous action of a bird's wings in flight"; "synchronous oscillations"
(synonym) synchronal, synchronic
(antonym) asynchronous
(similar) coetaneous, coeval, contemporaneous
(see-also) synchronic, descriptive
2. (digital communication) pertaining to a transmission technique that requires a common clock signal (a timing reference) between the communicating devices in order to coordinate their transmissions
(antonym) asynchronous

(a.)
Happening at the same time; simultaneous.
  

1. Pertaining to the relationship of two or more repetitive signals that have simultaneous occurrences of significant instants. (188 ) Note: "Isochronous " and "anisochronous " pertain to characteristics. "Synchronous " and "asynchronous " pertain to relationships. 2. Pertaining to synchronism (def.#2).