| ballpark figure(noun, expression, feeling, belief, judgment) |
| basis(noun, belief, theory, conjecture, assumption) |
| be coming(ok, credence) |
| bid(noun, charge, plan, idea, approach) |
| bit(noun, charge, plan, idea, approach) |
| brain child |
| brainchild(noun, charge, plan, idea, approach) |
| brainwork(noun, thought, opinion, consideration, conjecture) |
| cerebration(noun, thought, opinion, consideration, conjecture) |
| chance(noun, belief, conjecture, assumption, suspicion) |
| charge(noun, plan, idea, approach, resolution) |
| chief ingredient(expression, theory, guesstimate, premise) |
| clairvoyance(guess, hunch, instinct) |
| clue(noun, idea, hint, indication, suspicion) |
| codification(noun, theory, guesstimate, qualification, supposition) |
| cogitation(noun, thought, opinion, consideration, conjecture) |
| conception(noun, idea, hint, indication, hunch) |
| condition(noun, idea, belief, guess, theory) |
| confirmation(ok, credence) |
| consideration(noun, thought, opinion, conjecture, rumor) |