The term 'clever or skilful' can be summarized by the word 'ADROIT', which is a six-letter word meaning having or showing skill, dexterity, and cleverness. ADROIT is often used to describe someone who is able to think quickly and solve problems with ease. It can also be used to describe someone who is able to use their skills in a creative way. ADROIT is derived from the Latin word adroitness, which means 'SKILLFUL'.