Proper

adjective
1.
adapted or appropriate to the purpose or circumstances; fit; suitable:
the proper time to plant strawberries.
2.
conforming to established standards of behavior or manners; correct or decorous:
a very proper young man.
3.
fitting; right:
It was only proper to bring a gift.
4.
strictly belonging or applicable:
the proper place for a stove.
5.
belonging or pertaining exclusively or distinctly to a person, thing, or group.
6.
strict; accurate.
7.
in the strict sense of the word (usually used postpositively):
Shellfish do not belong to the fishes proper. Is the school within Boston proper or in the suburbs?
8.
Grammar.

(of a name, noun, or adjective) designating a particular person or thing and written in English with an initial capital letter, as Joan, Chicago, Monday, American.
having the force or function of a proper name:
a proper adjective.

9.
normal or regular.
10.
belonging to oneself or itself; own.
11.
Chiefly British Informal. complete or thorough:
a proper thrashing.
12.
Ecclesiastical. used only on a particular day or festival:
the proper introit.
13.
Heraldry. (of a device) depicted in its natural colors:
an oak tree proper.
14.
Informal.

excellent; capital; fine.
good-looking or handsome.

15.
Mathematics. (of a subset of a set) not equal to the whole set.
16.
Archaic. of good character; respectable.
adverb
17.
Informal. thoroughly; completely.
noun
18.
Ecclesiastical. a special office or special parts of an office appointed for a particular day or time.
adjective
1.
(usually prenominal) appropriate or suited for some purpose: in its proper place
2.
correct in behaviour or conduct
3.
excessively correct in conduct; vigorously moral
4.
up to a required or regular standard
5.
(immediately postpositive) (of an object, quality, etc) referred to or named specifically so as to exclude anything not directly connected with it: his claim is connected with the deed proper
6.
(postpositive) foll by to. belonging to or characteristic of a person or thing
7.
(prenominal) (Brit, informal) (intensifier): I felt a proper fool
8.
(usually postpositive) (of heraldic colours) considered correct for the natural colour of the object or emblem depicted: three martlets proper
9.
(maths, logic) (of a relation) distinguished from a weaker relation by excluding the case where the relata are identical. For example, every set is a subset of itself, but a proper subset must exclude at least one member of the containing set See also strict (sense 6)
10.
(archaic) pleasant or good
adverb
11.
(Brit, dialect) (intensifier): he’s proper stupid
12.
(informal) good and proper, thoroughly: to get drunk good and proper
noun
13.
the parts of the Mass that vary according to the particular day or feast on which the Mass is celebrated Compare ordinary (sense 10)