completely honest, straightforward

Candace's candidness overwhelmed her business colleagues, who were not used to such honesty.

inference; guesswork; estamation

At this point, Kimaya's hypothesis about single-cell biorhythms is still conjecture; she doesn't have conclusive evidence.

instructive

The tapes were entertaining and didactic; they both amused and instructed children.

a mild, indirect, or vague term substituting for a harsh, blunt, or offensive term

"To pass away" is a common euphemism for dying.

to infer or estimate by extending or projecting known information

Seeing th wrecked bike and his daughter's skinned knees, Heath extrapolated that she had had a biking accident.