consent

tacit

By not objecting to the new rules, the employees gave their tacit consent.

informed

Before signing up for the medical study, participants had to give their informed consent.

prior

The school requires prior consent from parents before taking children on any field trip.

give (sb), grant (sb)

Her parents finally granted consent for her to study abroad next year.

gain, get, have, obtain

Before publishing the photos, the magazine obtained consent from all the people in them.

by (common/general/mutual) ~

Both roommates decided to move out by mutual consent last month.

with/without sb's ~

The doctor cannot start treatment without the patient's consent.

~ for

The school obtained parental consent for the field trip before departing.

~ from

We needed consent from our landlord before we could paint the walls.

~ to

The doctor asked for the patient's consent to the surgical procedure before beginning.

kindly

She kindly consented to help with the school project even though she was very busy.

to

The doctor asked if I would consent to the blood test before proceeding.