This word is acceptable for play in the UK dictionary that is being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. a sign or other marker that indicates the way along a road or trail

n. something that guides or marks the way along a figurative journey; a temporary stopping point on that journey

"Still, I could not fault her choice, and she would bear my letter to the Queen to the nearest Royal Couriers’ waypost, for which I was grateful."

waypoint