smart move
Synonym discussion
Sense: idiom/1
All four alternatives describe a positive decision, but they differ in register and nuance. 'Good call' is the most casual, used for quick, in-the-moment decisions — a coach might say 'good call' after a quarterback changes a play. 'Wise choice' sounds more mature and pensive, often used for life decisions ('going back to school was a wise choice'). 'Shrewd move' carries a strategic, almost calculating tone, common in business contexts ('a shrewd move to acquire the competitor'). 'Right decision' is the most neutral, simply stating correctness without color. Example: 'Breaking up was the right decision, even though it hurt.' — here 'smart move' would sound too lighthearted for the emotional weight.
Etymology
The phrase combines 'smart' (from Old English 'smeortan', meaning 'sharp, stinging', which later evolved to mean 'mentally sharp' in American English by the 19th century) with 'move' (from Old French 'movoir', 'to change position'). The figurative use of 'move' to mean 'a step in a plan or course of action' dates to the 17th century. 'Smart move' as a set phrase gained popularity in 20th-century American English, particularly in business and sports contexts.