The term 'COMPLETE, AS A CROSSWORD' can be solved by two words: SOLVE (5 letters) and FILLIN (6 letters). Solving a crossword puzzle is a popular pastime that requires knowledge of language, culture, and trivia. The goal of solving a crossword is to fill in the empty squares with the correct answers. The clues are usually given in the form of a definition or a hint. To SOLVE a crossword, one must first read the clues and then use the information provided to determine the correct answer. Filling in the answers correctly completes the puzzle.