After reviewing the evidence, many historians speculated about the ruler's motives.

She speculates about the origin of the strange signal during the late-night meeting.

Late in the evening, he would often sit by the window and speculate about the meaning of his dreams.

The speculativeness of the hypothesis made it difficult for researchers to design definitive experiments.

Her research avoided excessive speculativity and focused on verifiable data.

The speculator carefully studied market trends before placing a large bet.

The village elder's speculation, long used in their tongue to mean the faculty of sight, enabled him to spot the first glimmer of dawn from the valley.

Her speculative theory about the vanished village sparked both curiosity and criticism among the researchers.

Despite the thin evidence, speculations about the company's future spread quickly.

His speculating about the company's future distracted the team from urgent tasks.