on
[ no passive ] to begin to have a particular quality, appearance, etc. :
The chameleon can take on the colours of its background.
His voice took on a more serious tone.
on
[ no passive ] to begin to have a particular quality, appearance, etc. :
The chameleon can take on the colours of its background.
His voice took on a more serious tone.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005