keep.

To continue in (a course or mode of action); to not intermit or fall from; to uphold or maintain.

to keep silence;  to keep possession

To remain faithful to a given promise or word.

to keep one's word;  to keep one's promise

To hold the status of something. To maintain possession of.

I keep a small stock of painkillers for emergencies.

I only meant to lend him the shirt at first, but it looked better on him than me, so I told him to keep it.

To hold the status of something. To maintain the condition of; to preserve in a certain state.

I keep my specimens under glass to protect them.

The abundance of squirrels kept the dogs running for hours.

To hold the status of something. To record transactions, accounts, or events in.

I used to keep a diary.

To hold the status of something. To enter (accounts, records, etc.) in a book.

To hold the status of something. To remain in; to be confined to.

To hold the status of something. To restrain.

I keep my pet gerbil away from my brother.

Don't let me keep you; I know you have things to be doing.

To hold the status of something. To watch over, look after, guard, protect.

May the Lord keep you from harm.

To hold the status of something. To supply with necessities and financially support (a person).

He kept a mistress for over ten years.

To hold the status of something. To raise; to care for.

He has been keeping orchids since retiring.

To hold the status of something. To refrain from freely disclosing (a secret).

To hold the status of something. To maintain (an establishment or institution); to conduct; to manage.

To hold the status of something. To have habitually in stock for sale.

To hold or be held in a state. To reside for a time; to lodge; to dwell.

She kept to her bed while the fever lasted.

To hold or be held in a state. To continue.

I keep taking the tablets, but to no avail.

To hold or be held in a state. To remain edible or otherwise usable.

Potatoes can keep if they are in a root cellar.

Latex paint won't keep indefinitely.

To hold or be held in a state. To remain in a state.

The rabbit avoided detection by keeping still.

Keep calm! There's no need to panic.

To hold or be held in a state. To have rooms at college, at the University of Cambridge.

To wait for, keep watch for.

To act as wicket-keeper.

Godfrey Evans kept for England for many years.

To take care; to be solicitous; to watch.

To be in session; to take place.

School keeps today.

To observe; to adhere to; to fulfill; to not swerve from or violate.

To visit (a place) often; to frequent.

To observe or celebrate (a holiday).

to keep the Sabbath

The feast of St. Stephen is kept on December 26.

To put (something) back (to its original location or appropriate place); to put away.

Please keep these books.

The main tower of a castle or fortress, located within the castle walls.

The food or money required to keep someone alive and healthy; one's support, maintenance.

He works as a cobbler's apprentice for his keep.

The state of being kept; hence, the resulting condition; case.

to be in good keep

A cap for holding something, such as a journal box, in place.

The act or office of keeping; custody; guard; care; heed; charge; notice.

That which is kept in charge; a charge.

A mistress (the other woman in an extramarital relationship, generally including sexual relations).