"widely favoured" is correct and usable in written English.
You can use it when you want to indicate that something is accepted or approved by many people. For example, "The changes proposed by the government were widely favoured by the public."
It's cheap, but packed full of protein and so many carbs it is widely favoured by the city's marathon runners.
The judges, promoting the postmodernist trend in Russian literature, passed over Lyudmila Petrushevskaya, who had been widely favoured to win the prize for Vremya: noch' ("The Time: Night").
Whilst Prokhorov is widely favoured by the rich, his programme appeals to them.
The Workers Party candidate beat Aécio Neves, who was widely favoured by the business community, by just 3% of the vote.
In recent decades, the understanding of gender and health issues has been widely favoured by the development of relational theory.
Counselling was widely favoured by both GPs and PNs to help patients come to terms with their condition, to increase confidence in self management or to aid in venting feelings.
Fiona Reynolds, director general of the National Trust, has been appointed a Dame in a New Year honours list that widely favours charities, campaigners and local government.
The piggyBac transposable element has been widely studied and is favoured as a useful tool in insect transgenesis due to its simplicity of movement and often high frequency of transformation [ 14].
Priorix-Tetra™ was licensed in July 2006, and both vaccination schemes (MMR + V and MMRV) have been widely used; this has favoured comparison between the two vaccination regimens in a previous study conducted by the Bremen Institute for Epidemiology and Prevention Research [ 15].
Putin's government was widely seen as favouring Brexit, as a way of assisting its long-term strategic aim of weakening and dividing Europe and Nato.
Widely accused of favouring the automobile over mass transit, the PA added the George Washington Bridge (1931), Lincoln Tunnel (1937), bus and Port Authority Trans-Hudson terminals, satellite communication centres, and the World Trade Center (1970 72; destroyed 2001) to the urban mix.
