basis
Definitions
The underlying support or foundation for an idea, argument, or process.
A main principle, rule, or ingredient on which something is established.
The system of measurement or the set of values used as a reference point.
Examples
The two parties agreed to meet on a regular basis to discuss progress.
Trust is the fundamental basis of any healthy relationship.
The decision was made on the basis of the evidence provided during the trial.
Synonyms
foundation base groundwork cornerstone bedrock principle root