What kind of knowledge do you need to have if you say you know a word?

<p> Knowing a word involves knowing its meaning| its form and its use. If we say that we know a word| we must be able to<br> a) recognize it in written and spoken form;<br> b) recall it at once;<br> c) relate it to appropriate object or concept;<br> d) use it in appropriate grammatical form;<br> e) use it in correct collocation;<br> f) use it at appropriate level of formality;<br> g) pronounce it in a recognizable way;<br> h) spell it correctly;<br> i) be aware of its connotation.</p>