1. setting up or creating something on a firm or permanent basis
Usage: present participle of establish
2. proving or demonstrating the truth or validity of something
Usage: present participle of establish
3. gaining acceptance or recognition in a particular position or field
Usage: present participle of establish

Examples

• The company is establishing a new branch office downtown.
• She spent years establishing herself as a respected journalist.
• The researchers are establishing a link between diet and health.
• They are establishing new safety protocols for the workplace.
• The evidence is establishing his innocence in the case.
• The school is establishing partnerships with local businesses.
• He is establishing a reputation as a reliable contractor.