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I see some dangers in appearing "smart" in meetings:
1. others may be insulted if it appears you understand their work better than they do.
2. you may be perceived as volunteering for difficult tasks.
3. management may see you as not "challenged enough" by your current job. that might embarrass your boss.
Perhaps it's safer to appear dull, or average smart, but not stupid ?
«... thank the gods that they have made you superior to those events which they have not placed within your own control, rendered you accountable for that only which is within you own control For what, then, have they made you responsible? For that which is alone in your own power—a right use of things as they appear.» Discourses of Epictetus Book I:12
Me: "So in conclusion I say we should rewrite the application to use NoSQL." (mentioning NoSQL gives you bonus points and stresses out other devs)
Someone else: "Yes Sander, I know what you mean, but are you sure this will... quickly supply quality catalysts for change?" (nice comeback!)
Me: "..." (can't recover, I've been defeated because this guy is so brilliant)
As you see "someone else" took charge of the conversation by over-bullshitting me.
NoSQL was a nice touch, but perhaps a little too specific, keep it general and vague for maximum results.