The phrase "avoid any suspicion of" is correct and usable in written English.
It can be used when discussing the need to prevent others from doubting or questioning someone's intentions or actions.
Example: "To maintain trust with our clients, we must avoid any suspicion of unethical behavior in our dealings."
Alternatives: "prevent any doubt of" or "eliminate any concerns about".
Most of 10b5 plans include a waiting period spanning days or weeks to avoid any suspicion of trading based on material non-public information.
He wrote to Charles in mid-October to inform the Archduke of what had happened: Charles wrote back advising Hesse to carry out a court-martial with independent judges to avoid any suspicion of prejudice.
Step by step, in order to avoid any suspicion of ideological expansion, Beijing is beginning to offer its own model -- "the Chinese way" -- to the rest of the world, especially the developing world, as an example to follow.
After having convicted and sentenced to death three witches, Bromley may have been keen to avoid any suspicion of credulity by presenting his "masterful exposure" of the evidence presented by Grace Sowerbutts, before turning his attention back to the remainder of the Pendle witches.
On the other hand, one may reason that in case of true child abuse, parents might in fact agree to participate in research, to avoid any suspicion of maltreatment.
Even an earlier notion of asking the audience to vote has been abandoned: rightly so, in my opinion, since it avoids any suspicion of a kangaroo court.
And he has avoided any suspicion of corruption, which undermined his predecessor, Carlos Andres Perez, who faced down two military coups in 1992.
Indeed, even if a supranational authority did act impartially, it would still, he wrote, have "to avoid all suspicion of partiality".
Most executive-search firms (including all those you mention, as members of the Association of Executive Search Consultants) subscribe to a strict code of ethics precisely to uphold professional standards and avoid any taint of suspicion.
By making this unassuming suggestion rather than giving your own views, you avoid any conflict of interest, any suspicion of patient poaching.
Seymour is horrified that he has now murdered twice and after posing as a dentist to avoid the suspicion of Farb's masochistic patient Wilbur Force (Jack Nicholson, Seymourr feeds Farb's body to Audrey Jr.
