You have your keywords that tells which keywords searchers are looking for when they search for your site and your product line, however you may require some brainwaves to add flavor and improve conversion. I have put together some words that I wish will inspire you.
Internet users don’t notice the same things after they are repeatedly exposed to them time and again. In Internet promotion banner blindness is the most famous example. Internet users basically get used to banners that advertise something that is not worth their time, therefore they stop notice the banners after some time. The same thing happens with expressions that are used to make us do something.
Thus, you must change your action expressions sometimes to keep them successful. The problem for most writers is that it is particularly difficult to change the expressions because of old habit.
I have made this list of actions expressions to assist you change expressions sometimes to keep making your web copy effect full.
Here are some examples on how you can vary uniqueness and the use of colloquial words.

Indicating Uniqueness:
special, unmatched, second to none, unparalleled, inimitable, premium, out of the ordinary, first-rate, best quality, unrivaled, distinctive, exceptional, one and only, only one of its kind, beyond compare, outstanding, exclusive, number 1, undisputed, incomparable, the top, matchless, excellent, singular, distinguished, peerless, sole, first-class, top quality, superb, without equal, unsurpassed, superlative, unbeatable, advanced, elite, unique, superior, the best, extraordinary, extraordinary, extraordinary, extraordinary, extraordinary.

A colloquial word is an informal, often entertaining word or phrase used in everyday discussion. When you use colloquial words, you draw your reader closer because you appear more familiar, more up close and personal instead of fare away.

Be aware that using colloquial words to much to the wrong market segment can have the opposite effect.

Use colloquial words that are understandable to most people with a reasonable familiarity with English. Here are some examples of normal used colloquial words that have found their way to mainstream online communications:

Colloquial vs. Normal words: get a kick out of vs. enjoy, bent out of shape vs. become upset, cool vs. great, make waves vs. cause trouble, bummed vs. depressed, laid-back vs. calm and relaxed, megabucks vs. a lot of money, glitzy vs. ashionable, blow a fuse vs. lose your temper, dough vs. money, keep your cool vs. remain calm, has deep pockets vs. has a good source of money, honcho vs. boss, come up for air vs. take a break, twenty grand vs. $20,000, blown away vs. greatly impressed, con vs. deceive.