Remember inconclusive direction, one in a Shakespeare play (4,2,4)

I haven't cracked this one yet — but the brilliant team at Times for the Times have:

BEARIN[G] = direction, not concluded;  A Midsummer Night’s Dream, often known as MND, insert I for one. I spent too long trying to think of a WS play with words of 4, 2, 4 letters.