Appeaser

9 clues
Concessions source
Role for Chamberlain
One who's making nice
One who gives in easily
Chamberlain, by reputation
Neville Chamberlain was one
Chamberlain, vis-à-vis Hitler
Neville Chamberlain's reputation
Neville Chamberlain, to his critics
Similar answers:
Abaser
Abasers
Abaserunner
Acappella
Acappellazinger
Accentshappen
Accentswillhappen
Accidentshappen
Aintgonnahappen
Airtaser
Alltappedout
Amanwrappedupin
Ambulancechaser
Andhappenedtospot
Appeal
Appealbutitis
Appealed
Appealedcarrots
Appealedto
Appealing