A more thorough explanation:

co-opt, verb

1. To add as a member.
2. To assimilate; absorb.

1. The company decided to co-opt the new employee into their team.

2. The political party tried to co-opt the ideas of their opponents to gain more support.

The term "co-opt" has two meanings. The first meaning is to add someone as a member of a group or organization. For example, a company may co-opt a new employee into their team. The second meaning is to assimilate or absorb something, such as an idea or concept. For instance, a political party may try to co-opt the ideas of their opponents to gain more support. These examples illustrate how "co-opt" can be used in different contexts to convey the idea of adding or assimilating something or someone.