The phrase "a substantial majority for" is correct and usable in written English.
It can be used when discussing the level of support or agreement for a particular proposal, decision, or idea.
Example: "The survey results indicated a substantial majority for the new policy, suggesting that it would be well-received by the community."
Alternatives: "a significant majority in favor of" or "a large majority supporting".
Yet the Turkish-Cypriots still voted for it by a substantial majority for the sake of peace in the island.
But his energies went mainly into leading a cross-party pro-European movement that secured a substantial majority for staying in the Common Market in the 1975 referendum.
Not only did the voters refuse to endorse the Conservative policy on spending cuts; they voted, by a substantial majority, for the diametrically different policy then favoured by the Liberal Democrats as well as by Labour.
If Obama puts his hand to a Bible in January, he may well look out on the highest number of Democratic senators and congressmen since Jimmy Carter took office in 1976 — a substantial majority for a president who has promised a slate of expansive new programs.
Low imperfection scores account for a substantial majority of windows for all four sets and the absolute differences between the frequencies at the first few imperfection scores are small.
The overwhelming majority of Supreme Court nominees have received a substantial majority of votes for confirmation, and no Supreme Court nominee has ever been blocked by a single-party filibuster.
A week ago supporters of airstrikes thought in the wake of the Paris terror attacks that there was a substantial majority of Labour MPs for war, but they now fear it is finely balanced at best or instead a majority opposed.
Women entrepreneurs account for a substantial majority of small-scale entrepreneurs in Sub-Saharan Africa (SSA) (Belwal et al. 2012).
Opinion polls last week showed a substantial majority of existing supporters would still opt for a list headed by Mr Le Pen, aged 70.
According to an exit poll for the state, a substantial majority of voters across all parties, except the AfD, prefers an open and tolerant society to a traditional one.
A new poll from The New York Times and CBS News reveals that a substantial majority of Americans — 57percentto36percentcent — favor an exemption for religious-affiliated employers.
