Crossword clues for the word: ONENATION The word ONENATION has appeared as an answer to at least 6 crossword clues on different crossword puzzles. Crossword clues for ONENATION Showing 1 to 6 of 6 results Clue(s) """___ under God... """ "The United States, in a famous oath" Part of a famous pledge. Precept in Pledge of Allegiance. The United States, in a familiar pledge Wallace Stegner work.