I see where you're coming from, but... Example: I see where you're coming from, but I have a different perspective on this issue.
I respectfully disagree:
Example: I respectfully disagree with your opinion on that matter.
I'm afraid I don't agree with that:
Example: I'm afraid I don't agree with that assessment.
I'm not so sure about that:
Example: I'm not so sure about that; I think there's another side to the story.
I beg to differ:
Example: I beg to differ; I think there's a better way to approach this.
I'm not entirely convinced:
Example: I'm not entirely convinced by that argument.
I can't say I agree with you there:
Example: I can't say I agree with you there; I think there's a flaw in that logic.
I'm not buying that:
Example: I'm not buying that explanation; it doesn't make sense to me.
I'm afraid I have to disagree with you on this one:
Example: I'm afraid I have to disagree with you on this one; I think there's a better solution.
That's not how I see it:
Example: That's not how I see it; I have a different viewpoint.
I'm not on board with that idea:
Example: I'm not on board with that idea; I think we should explore other options.
I don't quite agree:
Example: I don't quite agree with your conclusion; there are some points I would like to discuss further.
I'm not sold on that:
Example: I'm not sold on that concept; I think there are flaws in the plan.
I'm inclined to think differently:
Example: I'm inclined to think differently about this issue.
I respectfully see it differently:
Example: I respectfully see it differently; let me explain my perspective.
