This document defines suggestion and outlines ways to ask for, give, accept, and refuse suggestions in English. Suggestion is defined as an idea or plan put forward for consideration. Asking for a suggestion involves using phrases like "What do you advise me to do?" or "Do you have any suggestion for me?". Giving a suggestion in regular situations uses phrases like "You should..." or "You ought to..." while more urgent situations use "You had better...". Accepting a suggestion can be done with responses like "Yes, I'd like to" or "That sounds like a good idea". Refusing involves phrases such as "Thanks, but that won't work" or "No, I'd rather not."