The term 'keeled over' is a phrase used to describe a person who has suddenly collapsed or fainted. The crossword solutions for this term are 'FELL' (4 letters), 'TIPPED' (6 letters), 'TOPPLED' (7 letters), 'feinted' (7 letters), 'passedout' (9 letters), and 'droppeddead' (11 letters). All of these words describe the same action of collapsing or fainting, but with different levels of intensity. For example, 'FELL' implies a less severe collapse than 'droppeddead'.