Her recent strange behavior puzzled us.
That question puzzled even the pundits.
Unusual symptoms rarely puzzle him for long.
WordNet 3.0 Sense Numbers: 1
Commentary: Includes: PUZZLE OUT, PUZZLE OVER
We puzzled over her recent strange behavior.
They puzzled over the unfamiliar growth in the back lot.
His eyes squinted as he puzzled out where he had gone wrong.
He puzzled and puzzled, 'til his puzzler was sore. --Dr. Suess
WordNet 3.0 Sense Numbers: 2
WordNet Verb Particle Constructions, Multiword Expressions: