Speculation

Guess

Hypothesis

Theory

Presumption

Inference

Surmise

Suspect

1 Synonym: Speculation

There was much Speculation among the fans about who would be cast in the lead role of the upcoming movie.

Speculation about the mysterious disappearance of the ancient civilization has fascinated archaeologists for decades.

The media's Speculation about the celebrity couple's relationship status was rampant, fueled by recent paparazzi photos.

Without concrete evidence, their theories remained just Speculation, with no real basis.

2 Synonym: Guess

She tried to guess his age, but his youthful appearance made it difficult to determine.

Sometimes, guessing to the flow of life's uncertainties can lead to unexpected opportunities and growth.

After looking at the cloudy sky, he made an educated guess that it would rain later in the day.

Despite his best efforts to study, he ended up having to guess on several questions during the difficult exam.

3 Synonym: Hypothesis

The scientist proposed a hypothesis that the new drug could reduce symptoms more effectively than existing treatments.

Based on historical data, the economist developed a hypothesis that economic growth would slow in the coming decade.

To test his hypothesis, the engineer built a prototype to observe if the new design would increase efficiency.

Before starting the experiment, the students formulated a hypothesis about how temperature would affect the rate of chemical reactions.

4 Synonym: Hypothesis

The scientist proposed a hypothesis that the new drug could reduce symptoms more effectively than existing treatments.

Based on historical data, the economist developed a hypothesis that economic growth would slow in the coming decade.

To test his hypothesis, the engineer built a prototype to observe if the new design would increase efficiency.

Before starting the experiment, the students formulated a hypothesis about how temperature would affect the rate of chemical reactions.