When it comes to describing a "pretty smart technique", there are several synonyms that one could use to convey the same idea. Some alternative options could include terms such as "clever method", "ingenious approach", "savvy strategy", or "sharp tactic". These phrases all suggest a level of ingenuity and intelligence that goes beyond a basic technique or skillset. They also imply that the person or team employing such a method is resourceful and able to solve problems in a creative and effective manner. Ultimately, choosing the right synonym to describe a "pretty smart technique" depends on the context and tone of the situation, along with the specific nuances of the technique itself.