Coming at the beginning; first
People who support or speak in favor of a cause
Initial
Not logical or sensible
Irrational
Commonplace
Best, most satisfactory
Insulation
Trending to spread and take over areas
Mark or point out; select
Ordinary and unremarkable
Advocates
Material that slows or prevents the transfer of heat, cold, sound, or electricity
Designate
Invasive
Optimal