SPECULATION

Definition

1. noun a message expressing an opinion based on incomplete evidence. — synonyms: guess, conjecture, supposition, surmise, surmisal, hypothesis
2. noun a hypothesis that has been formed by speculating or conjecturing (usually with little hard evidence). — synonyms: conjecture
3. noun an investment that is very risky but could yield great profits. — synonyms: venture
4. noun continuous and profound contemplation or musing on a subject or series of subjects of a deep or abstruse nature. — synonyms: meditation