LOGICAL' (5 letters) The crossword solutions for the term LOGICAL, REASONED are RATIONAL and LOGICAL. RATIONAL is an adjective that means based on or in accordance with reason or logic. It is often used to describe decisions or actions that are thought out and not based on emotion. LOGICAL is an adjective that means based on or using the rules of logic. It is often used to describe a thought process that follows a LOGICAL sequence and is based on facts and evidence.