Crossword Heaven

Answer: ESPERANTO

ESPERANTO is a crossword puzzle answer that we have spotted 19 times.

• Lingua franca, for some
• Language in which plurals are formed by adding -oj
• The 1965 William Shatner film "Incubus" is in it
• Stalin called it "the language of spies"
• It means "one who hopes"
• Zamenhof's creation
• It has just 16 rules of grammar
• Stalin's "language of spies"
• Artificial language
• You'll find it in 180,000+ Wikipedia articles
• Language devised in 1887
• An artificial language
• Language with no irregular verbs
• Language in which plural adjectives end in -aj
• Literally, "a hopeful person"
• Language in which "Hello, how are you?" is "Saluton, kiel vi fartas?"
• Language with its own "green star" flag
• Language in which "crossword puzzle" is "krucvortenigmo"
• Language whose name translates to "one who hopes"