The term 'decked out' can be defined by the following crossword solutions: DAPPER (6 letters), arrayed (7 letters), CLAD (4 letters), GARBED (6 letters), ATTIRED (7 letters), ROBED (5 letters), togged (6 letters), ADORNED (7 letters), FESTOONED (9 letters), and dressed to kill (13 letters). These words all refer to the act of dressing up in a fashionable or elaborate manner. DAPPER means to be well-dressed, arrayed means to be arranged in an impressive way, CLAD means to be clothed or covered, GARBED means to be clothed in a particular way, ATTIRED means to be dressed in clothing, ROBED means to be wearing a robe, togged means to be dressed in a particular way, ADORNED means to be decorated with something, FESTOONED means to be decorated with strings of flowers or ribbons, and dressed to kill means to be dressed in a very stylish and attractive way. All of these words together describe the act of being decked out in a fashionable and elaborate manner.