What is the definition of 'speculate'?

Answer 1

spec·u·late (spĕk'yə-lāt')v., -lat·ed, -lat·ing, -lates. v.intr.

1. To meditate on a subject; reflect.
2. To engage in a course of reasoning often based on inconclusive evidence.
3. To engage in the buying or selling of a commodity with an element of risk on the chance of profit.