educated guess
Noun
Meaning
educated guess (plural educated guesses)
A well-informed guess or estimate based on experience or theoretical knowledge.
His educated guess was correct to within 2%, but then, he's been doing this for 10 years and knows what range of values to expect.
Synonyms
Examples
I know when I'm working I seldom get into trouble. My educated guess is that boredom has caused most of the problems with Hollywood celebrities.
It's very much like filmmaking always is-you're always asked to do something that you're not sure you know how to do. So you make an educated guess as to what you think will work and you hope between that and plan B, that you can end up with a product that's really good.
Finding the one is not just a feeling, it's an educated guess. I feel like I chose someone to share my life with who is my friend.