The phrase "more assentive" refers to someone who is more willing to agree or comply with a particular idea or request. Synonyms for this might include the words cooperative, compliant, acquiescent, amenable, receptive, or agreeable. Each of these terms suggests a willingness to go along with someone else's wishes or opinions, rather than resisting or pushing back against them. Additionally, some might describe a more assentive person as being responsive, obliging, or accommodating in their approach to others. Ultimately, these various synonyms point to someone who is focused on building positive relationships and achieving common goals through collaboration and teamwork.