The term 'Commandment Verb' refers to words that are used in the Ten Commandments, which are a set of religious and moral imperatives that are found in the Hebrew Bible. The three crossword solutions for this term are 'STEAL, ' 'COVET, ' and 'shalt.' 'STEAL' is defined as taking something without permission or legal right. 'COVET' is defined as having an intense desire for something that belongs to someone else. Finally, 'shalt' is an archaic form of the verb 'SHALL, ' which is used to express commands or instructions.