Learner's definition of SUGGESTION
1 a : an idea about what someone should do or how someone should behave
b : something that is said in an indirect way
Do you have any suggestions?
Please send comments and suggestions to our post office box.
I have a suggestion: call the store and ask them about it.
I'd like to offer/make a suggestion.
I am always open to suggestions. [=ready to hear new ideas]
2 a : an action, quality, appearance, etc., that seems to indicate the presence or existence of something
[count] — usually singular
b [count] : a very small amount of something — usually singular
They were careful to avoid any suggestion of impropriety. [=avoid doing anything that could be seen as improper]
There was some suggestion of swelling around his ankle. [=his ankle appeared to be slightly swollen]
3 [noncount] : the process by which you make people think or feel something by saying, expressing, or showing something that is related only indirectly
at/on someone's suggestion
: because someone said that you should
On his suggestion, I applied for the job. [=I applied for the job because he suggested that I should]
She went to Germany at my suggestion.