"he put aside" is correct and can be used in written English.
It means to set aside or put to one side (for future use). For example: He put aside some of his income for a rainy day.
He put aside a further $35,000 to refund customers.
But he put aside his potential for a life of the street.
He put aside the third volume of his majestic history of pre-World War I diplomacy.
He put aside the piece he was working on, and took a new sheet of paper from the stack.
But how Italian food became his own, how he put aside beurre blanc for olive oil, that's a longer story.
He says he put aside plans to write a book on democracy and capitalism to take his new job.
But he knew a bit about theology, and finally he put aside his reading.
He put aside the editorial agendas of the print Mail titles.
He put aside the still-life dissections he had been doing and walked the avenues.
But if it would help persuade people to follow him in this plan, would he put aside those feelings?
He put aside part of his profits at Taste of the Himalayas, a Nepalese restaurant in San Francisco, to get Curry Without Worry off the ground.
