Sagacious

/səˈɡeɪʃəs/ adjective medium

Showing good judgment and keen insight, especially about practical matters.

The company's founder was known for her sagacious investment decisions years before the trend caught on.

Memory Trick

Sagacious sounds like it should be tied to 'sage,' the wise elder of old stories, and that sound-alike link makes a handy hook -- a sagacious person judges situations with that same sage-like sharpness.