supporting

adjective
1
a supporting actor in a play or film has an important part but not the leading one
مکمل, معاون
2
helping to show that something is true
تاییدکننده, تصدیق‌کننده, موید
There was a wealth of supporting evidence.
3
carrying the weight of something
نگهدارنده, تحمل‌کننده, پشتیبان, تکیه‌گاه
a supporting wall