The phrase "unfettered discretion" means having complete freedom or absolute power to make decisions without any restrictions or limitations. Full definition
This means that the Court has effective unfettered discretion in terms of the amount to award a Claimant in respect of harm suffered. (hadefpartners.com)
The Artwork must not, in the sole and unfettered discretion of the Sponsor, contain obscene, provocative, defamatory, sexually explicit, or otherwise objectionable or inappropriate content. (art4apes.com)
Judges not trained in child development and family dynamics are given unfettered discretion, and this results in unpredictable outcomes based on idiosyncratic biases and subjective value judgments. (psychologytoday.com)