synodically

== English == === Etymology === From synodical +‎ -ly. === Adverb === synodically (not comparable) (religion) In a synodical manner; in a synod; by the authority of a synod. (astronomy) In a synodic way === References === “synodically”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.