This is the 3602nd most frequent Russian word.
совершить
To accomplish, perform, or commit.
Here, 'совершить' means 'to undertake or accomplish,' indicating the action of undertaking a significant activity, such as a journey.
Он собирался совершить путешествие вокруг света.
He was going to make a journey around the world.
In this context, 'совершить' is used to mean 'to commit,' referring to the perpetration of an unlawful act.
Преступник совершил ограбление банка ночью.
The criminal committed a bank robbery at night.
Here, 'совершить' conveys 'to achieve or perform,' describing the aspiration to accomplish a notable deed.