How to say “Politely refer to informant” professionally

Level 1: I've received some pertinent feedback regarding [topic] from an individual within the [relevant department/stakeholder group] who requested discretion. I can share the key insights and implications without revealing the source to ensure we can address the issue effectively.

Level 2: To maintain open channels for critical insights, I've consolidated information brought to my attention by a key stakeholder. While the source prefers to remain anonymous at this time, the data itself is highly relevant to our current objectives.

Level 3: Per our established information gathering protocols and the unwritten code of 'see something, say nothing, unless it's to me,' insights were relayed from a source clearly operating within the defined parameters of 'concerned party.' Their input, while strictly confidential, warrants further 'synergy sessions' to achieve 'optimal alignment.'

Level 4: The information came from a source I've vetted and trust, and their anonymity is crucial for continued open communication within the organization. I can confirm the veracity of the data and its potential impact on our current project trajectory, and I advise we focus on mitigating the identified risks.

Level 5: Someone told me. That's all you get.

Level 1: This insight was relayed by a key stakeholder within your organization during a confidential discussion. The critical point for our strategy and achieving your objectives is [summarize the insight].

Level 2: We've received some valuable information from an internal source within your team who prefers not to be directly named. It offers a crucial perspective on the current situation and how we can best support your goals.

Level 3: During a 'deep-dive discovery session' with a 'highly engaged constituent' from your internal team, certain 'actionable insights' were discreetly shared. The emphasis was placed solely on the data's utility for 'strategic alignment' and 'value proposition enhancement,' not its precise 'origin point.'

Level 4: A trusted contact within your organization provided this information under an agreement of strict confidentiality. I can assure you of its validity, and it directly impacts our projected outcomes, necessitating immediate attention to [specific action].

Level 5: Your own people told me.

Level 1: I received this feedback from a peer who wished to remain anonymous to ensure candid discussion. My priority was to bring it to your attention so we could collectively address the underlying issue.

Level 2: An observation was brought to my attention by a colleague who expressed a preference for confidentiality. The key takeaway, however, is that [summarize issue], which merits our collaborative consideration.

Level 3: Following an unsolicited 'synergy discussion' with a 'concerned party' operating strictly within the confines of our 'team cohesion' charter, it was highlighted that [issue]. Their input, while undeniably 'value-add,' was accompanied by a firm request for 'discretion' in the interest of 'constructive dialogue.'

Level 4: A team member confidentially shared this information with me. I'm obligated to protect their privacy, but I can confirm the relevance of the issue and its potential impact on our shared objectives and deliverables.

Level 5: Someone who doesn't like you.