The phrase "an implicit suggestion of" is correct and usable in written English.
You can use it when discussing an idea or notion that is not directly stated but can be inferred from the context.
Example: "The author's tone carries an implicit suggestion of doubt about the protagonist's motives."
Alternatives: "a subtle hint of" or "an indirect indication of".
There's an undeniable gut impact imparted by the presence of a familiar artist or a classic performance -- and there is an implicit suggestion of sanction or association in these constructs, even when we know that can't be the case.
Finally, the authors of the review discussed above [ 34] found that the aim of feedback was often vague, the exact procedures to be used lacked specificity, and there was a lack of detail about the mechanism by which feedback was expected to lead to improvement, beyond an implicit suggestion of the impact of normative comparisons.
Moreover, fee pressure may be perceived by auditors, based on previous experience, as an implicit suggestion to improve audit efficiency.
It was a gracious ceremony, but there was an implicit suggestion that because of his toughness on crime Mr. Kennedy would have supported the Bush military tribunals.
Before departing, Jack speculates about his immortality and reminisces about his youth on the Boeshane Peninsula, an implicit suggestion that he may one day become the mysterious "Face of Boe" (a recurring character voiced by Struan Rodger).
If you're among the international 95% of amazing software developers and product designers, there is probably an implicit suggestion in this piece that Silicon Valley is your dream, but try to avoid crossing the bridge that takes you here alone.
There was an implicit suggestion that they all ask what they can do for their city.
This sentence contains an implicit suggestion that Nick Clegg, who often talks about the things he cannot do because he does not have a majority, is a bit of a moaner.
In my view, substantial risks to the UK's economy remain, bringing into question an implicit suggestion that animal spirits will suddenly rise in the years ahead.
He told Nicolas that there was an "implicit suggestion," (Nicholas's words) that, in the consultant's words, "Clients might stop using you if you continue".
(1) "When" (rather than "if") you get better" carries an implicit suggestion that the cough will resolve.
