[verb] [I] -nn-Janice grinned broadly/cheekily/impishly/mischievously at him.To grin and bear it is to accept something without complaining.I don't want to stay there for a week on my own, but I suppose I'll have to grin and bear it.
GRIN
Meaning of GRIN in English
Cambridge English vocab. Кембриджский английский словарь. 2012