1.
If you set something aside for a special use or purpose, you keep it available for that use or purpose.
Some doctors advise setting aside a certain hour each day for worry...
£130 million would be set aside for repairs to schools.
PHRASAL VERB : V P n (not pron) , V P n (not pron)
2.
If you set aside a belief, principle, or feeling, you decide that you will not be influenced by it.
He urged them to set aside minor differences for the sake of peace.
PHRASAL VERB : V P n (not pron)