Sign off antonyms

What is the opposite word for Sign off?

• remain

  resign, give up responsibility
• assert

  resign, give up responsibility
• hold

  resign, give up responsibility
• keep

  resign, give up responsibility
• come

  resign, give up responsibility
• continue
• do
• defend
• maintain
• retain
• begin
• join
• commence
• create
• release
• start

  completion, end
• 

  bear
• give birth
• advance
• go
• allow
• initiate
• introduction

  end, completion
• commencement

  end, completion
• source

  end, completion
• beginning

  end, completion
• cause
• origin
• claim
• pursue