puzzling

Once a viewer is indoctrinated, however, they may find it difficult to refrain from puzzling over its message.

It’s a puzzling and irritating gesture that in context sounds like a mistake.

"We can therefore explain why some viscous magmas flow out gently instead of exploding, despite their high gas content -- a riddle that's been puzzling us for a long time," says Bachmann.

“Miss Mortimer always encouraged the girls to go for walks when we were puzzling over a difficult assignment,” Penelope thought.

“It is puzzling, yes,” Penelope murmured, keeping close watch on the boys, whose eyes were again fixed on the bouncing bird.