smart - intelligent, clever, advanced (technology)⏎
slump - decline, decrease, deteriorate, sudden fall⏎
tangible - touchable, existing, clearly seen⏎
role - function, position (of somebody)⏎
revoke - cancel, not retain, end validity of⏎
satisfactory - acceptable, sufficient, good enough⏎
upkeep - maintenance, preservation⏎
train - teach, instruct, tutor, coach, mentor, educate, edify, nurture, develop, school, explain, impart (facts/information), prepare, prime, demonstrate, illustrate⏎
shopper - buyer, purchaser⏎
vacation - holiday⏎