Well

adverb
1.
in a good or satisfactory manner:
Business is going well.
2.
thoroughly, carefully, or soundly:
to shake well before using; listen well.
3.
in a moral or proper manner:
to behave well.
4.
commendably, meritoriously, or excellently:
a difficult task well done.
5.
with propriety, justice, or reason:
I could not well refuse.
6.
adequately or sufficiently:
Think well before you act.
7.
to a considerable extent or degree (often used in combination): a sum well over the amount agreed upon;
a well-developed theme.
8.
with great or intimate knowledge:
to know a person well.
9.
certainly; without doubt:
I anger easily, as you well know.
10.
with good nature; without rancor:
He took the joke well.
adjective, comparative better, superlative best.
11.
in good health; sound in body and mind:
Are you well? He is not a well man.
12.
satisfactory, pleasing, or good:
All is well with us.
13.
proper, fitting, or gratifying:
It is well that you didn’t go.
14.
in a satisfactory position; well-off:
I am very well as I am.
interjection
15.
(used to express surprise, reproof, etc.):
Well! There’s no need to shout.
16.
(used to introduce a sentence, resume a conversation, etc.):
Well, who would have thought he could do it?
noun
17.
well-being; good fortune; success:
to wish well to someone.
Idioms
18.
as well,

in addition; also; too:
She insisted on directing the play and on producing it as well.
equally:
The town grew as well because of its location as because of its superb climate.

19.
as well as, as much or as truly as; equally as:
Joan is witty as well as intelligent.
20.
leave well enough alone, avoid changing something that is satisfactory.
noun
1.
a hole drilled or bored into the earth to obtain water, petroleum, natural gas, brine, or sulfur.
2.
a spring or natural source of water.
3.
an apparent reservoir or a source of human feelings, emotions, energy, etc.:
He was a well of gentleness and courtesy.
4.
a container, receptacle, or reservoir for a liquid:
the well of ink in a fountain pen.
5.
any sunken or deep, enclosed space, as a shaft for air or light, stairs, or an elevator, extending vertically through the floors of a building.
6.
Nautical.

a part of a weather deck between two superstructures, extending from one side of a vessel to the other.
a compartment or enclosure around a ship’s pumps to make them easily accessible and protect them from being damaged by the cargo.

7.
a hollow compartment, recessed area, or depression for holding a specific item or items, as fish in the bottom of a boat or the retracted wheels of an airplane in flight.
8.
any shaft dug or bored into the earth, as for storage space or a mine.
verb (used without object)
9.
to rise, spring, or gush, as water, from the earth or some other source (often followed by up, out, or forth):
Tears welled up in my eyes.
verb (used with object)
10.
to send welling up or forth:
a fountain welling its pure water.
adjective
11.
like, of, resembling, from, or used in connection with a well.