(bases)
Frequency: The word is one of the 1500 most common words in English.
1.
If something is done on a particular basis, it is done according to that method, system, or principle.
We're going to be meeting there on a regular basis...
They want all groups to be treated on an equal basis...
I've always worked on the basis that if I don't know anything technical I shan't be any worse off.
N-SING: with supp, usu on N
2.
If you say that you are acting on the basis of something, you are giving that as the reason for your action.
McGregor must remain confined, on the basis of the medical reports we have received...
N-SING: on N, oft N of n, N that
3.
The basis of something is its starting point or an important part of it from which it can be further developed.
Both factions have broadly agreed that the UN plan is a possible basis for negotiation.
...the sub-atomic particles that form the basis of nearly all matter on earth.
= foundation
N-COUNT: usu sing, usu N for/of n
4.
The basis for something is a fact or argument that you can use to prove or justify it.
...Japan's attempt to secure the legal basis to send troops overseas...
This is a common fallacy which has no basis in fact.
N-COUNT: usu sing