Accessible.
The best synonym for "expand" is "enlarge." Both terms convey the idea of increasing in size, scope, or extent. Other possible synonyms include "broaden" and "extend," but "enlarge" closely captures the essence of the word.
The synonym of designated is specific
the synonym for wedge is xhahdghasdgah
The synonym of optimize is perfect.
One possible synonym for 'real' is authentic. The slang use of the word 'real' is to indicate that something is true as in the phrase "Is that for real?".
A synonym for plausible is possible.
Sleeping could be a possible synonym.
Possible
One possible synonym for biculturalism would be social integration.
One synonym for "crime" is "offense." Another possible synonym is "misdeed."
A possible synonym could be "liberty-loving nation."
A possible synonym for improvising is acting impromptu.ad-libbing, extemporizing, extemporising
suspected possible / possibility of
true possible
A possible synonym for drooped is wilted.
"as well, in addition, likewise"--These are three possible synonyms.
One possible synonym for "join" is "combine."