certain; sure; definite; reliable; sound; solid
equal; equivalent; equals sign; equality sign; equals (as in "A equals B")
to draw (conclusion); to deduce; to derive
few decades; many decades; several decades
measure; step; countermeasure; counterplan; countermove; strategy
(abstract) symbol; emblem; representation
at the very beginning; first of all; first and foremost; before anything else
simply put; putting it simply; in short
usual; ordinary; normal; regular; general; common
owner; proprietor; possessor (e.g. of talent, beauty, etc.)
to be raised (e.g. child); to be brought up; to grow (up)
the place one comes from; one's birthplace; one's hometown
many; much; plenty; hardly
information; news; intelligence; information; data contained in characters, signals, code, etc.
offer; tender; providing; sponsoring (a TV program)
easy; trifling; harmless; nothing of the sort; not at all
implication; hidden meaning; latitude; atmosphere; tone; sentiment
system; lineage; corollary; system (range of strata that correspond to a particular time period); (taxonomical) series
whirling; revolving; coiling around; winding around; working tirelessly; working hard
personal history; curriculum vitae; resume
(somebody else's) parents; both parents
lineage; stock; descent; strain; blood relationship
influence; effect; to influence; to affect; to have an influence on
the best one can do; one's best effort; with all one's might; to the best of one's ability
follow; following (on social media, esp. Twitter); follow-up; following up; backing-up; covering for; follow-up shot
cannot be helped; unavoidable; pointless; useless; hopeless (person); annoying
to leave; to depart; to take one's leave
very much; intensely; overwhelmingly; excessively; irresistibly; without any obvious reason
with a clink; with a flop; suddenly; all of a sudden
protocol; written evidence; record (investigation, interrogation, etc.); preliminary memo; charge sheet
special someone; special person; precious one; significant other
the person in question; prominent figure; distinguished person; that person
life; life force; lifetime; lifespan; most important thing; foundation
to detain; to check; to restrain
to compare and contrast two alternatives; to weigh the relative merits of A and B; to weigh one's options; to try to have it both ways; to try to sit on two stools
hesitation; bewilderment; illusion; delusion; inability to reach enlightenment
single; solo; solitary; just one; only one
ordinary person; member of the general public; non-celebrity
difference; distinction; discrepancy; mistake; error
farewell; adieu; goodbye; so long
incomprehensible; mysterious; inexplicable; inscrutable; enigmatic; baffling
clergyman; churchman; clergy