broaden
v.to make something wider or to increase the range of things you know or experience. You use this when you want to grow your mind or make a physical space larger.
v.to increase the width, range, or scope of something. Often used figuratively to describe the expansion of knowledge, perspectives, or experiences.
“Traveling helps to broaden your mind.”
“The university aims to broaden the curriculum to include more diverse perspectives from around the world.”
“The government decided to broaden the scope of the investigation after new evidence suggested that the initial findings were only the tip of the iceberg.”
The verb is both transitive (taking a direct object) and intransitive (describing something that becomes wider).
“Over the past three decades, as the study of intelligence has broadened beyond humans, slime-mould research has gathered speed.”
From broad + -en (verbal suffix).
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.