Regarding your signature, from dictionary.com. My italics:
Dictionary.com Unabridged (v 1.1) -
lib·er·al
1. favorable to progress or reform, as in political or religious affairs.
2. (often initial capital letter) noting or pertaining to a political party advocating measures of progressive political reform.
3. of, pertaining to, based on, or advocating liberalism.
4.
favorable to or in accord with concepts of maximum individual freedom possible, esp. as guaranteed by law and secured by governmental protection of civil liberties.
5. favoring or permitting freedom of action, esp. with respect to matters of personal belief or expression: a liberal policy toward dissident artists and writers.
6. of or pertaining to representational forms of government rather than aristocracies and monarchies. 7. free from prejudice or bigotry; tolerant: a liberal attitude toward foreigners.
8. open-minded or tolerant, esp. free of or not bound by traditional or conventional ideas, values, etc.
pro·gres·sive
1. favoring or advocating progress, change, improvement, or reform, as opposed to wishing to maintain things as they are, esp. in political matters: a progressive mayor.
2. making progress toward better conditions; employing or advocating more enlightened or liberal ideas, new or experimental methods, etc.: a progressive community.
3. characterized by such progress, or by continuous improvement.
4. (initial capital letter) of or pertaining to any of the Progressive parties in politics.
5. going forward or onward; passing successively from one member of a series to the next; proceeding step by step.
con·serv·a·tive
1. disposed to preserve existing conditions, institutions, etc., or to restore traditional ones, and to limit change.
2. cautiously moderate or purposefully low: a conservative estimate.
3. traditional in style or manner; avoiding novelty or showiness: conservative suit.
4. (often initial capital letter) of or pertaining to the Conservative party.
5. (initial capital letter) of, pertaining to, or characteristic of Conservative Jews or Conservative Judaism.
6. having the power or tendency to conserve; preservative.