many, multiple, abundance, plethora, etc.
luckily, gratefully
passage opening entrance
spunk, energy, smarts, balls
fast rapidly speedily immediately promptly
Some of these words have the same kind of meaning. (depending on the context) 'Abandoned' 'Desolated' 'Isolated' 'Neglected'
There are several words that have the same meaning and use as the word tedious. Some of these words include boring, dull, repetitive, and uneventful.
A cane has several choices of words with similar meaning. Some of them are staff, crutch, walking stick, and pikestaff.
Some words that have the same meaning as "multiply" are increase, expand, and grow.
Gone
look
Life can be used in several ways. Life as in 'existence', the state of being alive -' Vitality' is another good word .So is 'animation' which is similar in meaning.
There are several synonyms for the word important. Some examples are, necessary, relevant, meaningful, crucial, significant, imperative, considerable, and great.
Attraction, allurement...
astray
luckily, gratefully
posess, own, hold,
A lab or a demonstration.