The crossword solution for the term TEASPOONFUL, MAYBE is DOSE, which is a four-letter word. A teaspoonful is a unit of measurement used to measure a small amount of an ingredient, usually a liquid or powder. A teaspoonful is equal to about 5 milliliters, and is often used in cooking and baking recipes. A DOSE is an amount of a substance that is taken at one time, and is often used in medicine. Therefore, a teaspoonful, maybe, can be referred to as a DOSE.