Answer: guesstimate

AnswerCrossword Clue
GUESSTIMATE

Ballpark figure, e.g.

GUESSTIMATE

Approximation

GUESSTIMATE

Ballpark figure

GUESSTIMATE
Number in the ball park?
GUESSTIMATE
Seat-of-the-pants figure
GUESSTIMATEConjecture
GUESSTIMATEIt's in the ballpark