A four letter word meaning the foundation of something is base.
have
to miss or be deficient = lack
The four letter word for repairing something is mend.
a Seat
papa
base
hill
have
Perhaps 'gist'? As in, "to get the gist of something"?
Plant
Base.
mass
dash
The four letter word that means, "I forbid," is veto.veto
to miss or be deficient = lack
The four letter word is dawn.
"Else," is in, "If we can't get tickest to the play, we'll do something else."