honest; frank; candid; honestly; frankly
interesting; fascinating; amusing; funny; enjoyable; fun
topic; subject; much talked about; topical; in the news
to be related; to be connected; to be joined together; to result in; to lead to; to bring about
being very busy; busyness
again; once more; also; too; on the other hand; while; and
stimulus; impetus; incentive; encouragement; motivation; provocation
once; before; formerly; never yet; never before; first time
person; character; one's character; one's personality; able person; talented person
(in the) neighbourhood; neighborhood; around; about; for instance; say
valid; proper; right; appropriate; reasonable
line; stripe; line (e.g. telephone line); wire; ray (e.g. X-ray); beam; line (e.g. of a railroad)
other (place, thing, person); the rest; outside; beyond; nothing except; nothing but
race; tribe; species; genus; stellar population (i.e. population I, II and III)
hair color; hair colour; fur color; disposition; type; kind
pair; the two; both persons; both things
difference; disparity; gap
one person; being alone; being by oneself; being single; being unmarried; by oneself
to float; to rise to the surface; to stand out; to be visible; to be alienated
transcendence; excellence; superiority
beautiful face; beautiful looks; beauty; belle; handsome man
system; lineage; corollary; system (range of strata that correspond to a particular time period); (taxonomical) series
mixing; mixture; meld; miscegenation
cause; seed; variety; kind; counter for varieties
to take the name of; to call oneself; to pretend; to feign; to purport
popular use; circulation; to pass as; to pass for
presence (impressive quality)
in conflict; incompatible; out of harmony; running counter; mutually exclusive; clashing with
small number; few; minority
inquisitive mind; spirit of inquiry; spirit of enquiry
lively; vigorous; energetic; full of (energy, appetite, curiosity, etc.); brimming with
expressly; especially; taking the trouble (to do); intentionally; deliberately
to enquire; to inquire; to seek information
my goodness!; oh my!; oh dear!
to be irritated; to get annoyed; to lose one's patience
a short while ago; a moment ago; just now; some time ago
as one would expect; naturally; indeed; still; all the same; after all