The phrase "a wider array of ideas" is correct and usable in written English.
You can use it when discussing a variety of concepts, perspectives, or suggestions in a particular context, such as brainstorming or exploring options.
Example: "The workshop encouraged participants to share a wider array of ideas to foster creativity and innovation."
Alternatives: "a broader range of concepts" or "a greater variety of thoughts."
A more diverse workforce, in terms of not just gender, but also sexuality and ethnicity, would lead to a wider array of ideas and inputs, not because women and minorities have better ideas but because they sometimes have different ones.
The What Now? network exposes incoming students to a wider array of ideas, as well as more faculty and engaged peers, than is typically possible in a single first-year seminar.
But extremism is an all-purpose term applicable to a wide array of ideas.
Education Secretary Arne Duncan and Vice President Joseph Biden, part of a group President Barack Obama convened to respond to the shooting, will evaluate "a wide array of ideas," said Briscoe, who declined to comment on whether the federal government would provide money for school security.
Across continents and throughout history, Graeber engages a wide array of ideas and arguments.
So, needless to say, Garlinghouse has played many roles and has overseen a wide array of ideas through his time in Silicon Valley (and is a Jayhawks fan, which is FINE I guess).
Jeb Bush likes to present himself as contemplative, embracing a wide array of ideas and influences.
(Chief, National Police, Ayacucho) The meeting generated a wide array of ideas and suggestions applicable to the design, implementation and evaluation phases of the policy process.
You're going for a wide array of ideas as you brainstorm, so don't be too focused or specific just yet.[3] Remember write down everything that comes to mind.
Novices employed a wider array of naïve biological ideas.
"I ran on a progressive platform and ideas that I believe can make Helena a more enjoyable place for a wider array of citizens".
