then

1 then /ˈðɛn/ adverb
1 then
/ˈðɛn/
adverb
Britannica Dictionary definition of THEN
1 
: at that time : at the time mentioned
2 
a  — used to indicate what happened or happens next
b  — used to indicate what should be done next
c  — used to indicate something more that must be done or thought of
3 
a  — used to indicate what must be true or what must or should happen if something else is true or happens
◊ Then is often omitted following if.
b  — used to say or ask about what appears to be true based on what has happened or been said
c  — used to say what has been agreed to or decided
d  somewhat formal — used to make a final statement that refers back to the things that have just been mentioned or described
4 
— used after words like all right and OK at the beginning of a statement

and then some

— see 2some

but then

— see 1but

even then

— see 2even

(every) now and then

— see 1now

then and there

or chiefly British there and then
: immediately at that place
2 then /ˈðɛn/ noun
2 then
/ˈðɛn/
noun
Britannica Dictionary definition of THEN
[singular]
: that time
3 then /ˈðɛn/ adjective
3 then
/ˈðɛn/
adjective
Britannica Dictionary definition of THEN
always used before a noun
: existing at or belonging to the time mentioned