The phrase "assert choice" is correct and usable in written English.
It can be used when discussing the act of declaring or affirming a decision or preference in a particular context.
Example: "In the meeting, she decided to assert choice by clearly stating her preferred option for the project."
Alternatives: "declare preference" or "affirm decision".
Louisiana argues Sixth Amendment rights may not be passively applied but that a defendant must voluntarily assert his choice to have counsel appointed.
Nolan used this screening in an attempt to showcase the superiority of the IMAX format over digital, and warn the filmmakers that unless they continued to assert their choice to use film in their productions, Hollywood movie studios would begin to phase out the use of film in favor of digital.
If you do eat meat, you must assert that choice as a cynical transcendence of vegetarians' futile attempts to save the world.
Contrary to what some party leaders are already asserting, the choice is not between having an election or not having one.
Professor Smith asserted, "The choice of Rushdie as speaker inspires questions, invites challenges and embodies larger issues…." That's precisely the problem.
Trump officials assert that "binary choice" would be legal because criminal defendants in the United States are often separated from their children when jailed.
The sympathy won earlier was not inexhaustible, and was further eroded in later years, when it became popular for the royal industry to assert that her choice over Townsend had been selfish rather than selfless, that she had not been willing to forgo privilege and position for him.
In this rant, she seems to assert that her choice to do pornography is an economic one and, the main point, that patriarchy is threatened by female sexuality.
Perhaps you have ideas about what colors make you feel good, but are timid about asserting your choices.
They then are in a position to assert that whatever choices increase the Good, that is, bring about more of it, are the choices that it is morally right to make and to execute.
