Reuters reports the Hurricanes skipper drew his thumb across his throat as he exchanged words with Melbourne Rebels halfback Ryan Louwrens during their Super Rugby match last weekend.
Loose forward Savea was sanctioned by a judicial panel on Tuesday for going "against the spirit of good sportsmanship".
"He accepted it pretty much straight away. When he was sitting in the sin bin for 10 minutes (he knew) it was something he shouldn't have done," Holland said.
"I'm aligned with him on that and to get the one-week sanction is the way it is and we accept it.