The crossword solution for the term 'IT'S A PLOT!' is ACRE, which is a four-letter word. ACRE is a unit of area used in the imperial and US customary systems of measurement. It is equal to 4, 840 square yards or 43, 560 square feet. ACRE is commonly used to measure land area, especially in agriculture and surveying. The phrase 'It's a plot!' is often used to describe a situation that has been carefully planned out.