This Greek adjective, taktos, has tasso (an arrangement by mutual consent) as its root. But this word (taktos) describes a prearranged and agreed upon event, or an event established by the proper circumstance. Thus to “set” sail on the rising tide aptly illustrates the full meaning of the word. In order to set sail a whole bunch of things need to happen in an ordered and arranged way, starting with the Captain giving the order, and then deck hands doing all manner of things. This word appears only once in scripture, in Acts 12:21 and is usually translated as a “set" day or an "appointed" day. Here is our verse: Acts 12:21, On an appointed day Herod, having put on his royal apparel, took his seat on the rostrum and began delivering an address to them. Since it is far more common to set a date or day, rather than appoint one, this verse would be better rendered as “On a set day Herod….