The phrase "justifiable concerns" means having reasons to worry or be cautious about something, and those reasons make sense and are logical. Full definition
In a time of justifiable concern about terrorism, Palahniuk has written a hilarious novel about a terrorist cell made up of foreign - exchange students. (booklistonline.com)
There are other major segments of the Canadian economy with justifiable concern about trade under Mr. Trump, such as automotives and other manufacturing. (theglobeandmail.com)
«We urge the administration to not impose these tariffs and to work with the business community to resolve the real and justifiable concerns raised by Chinese trade practices.» (amchamcanada.ca)