times

multiply

Increase in number

• productManufactured item for sale
• factorContributor to result
• multiplicandNumber being multiplied
• multiplierNumber that scales another

double · triple · quadruple · arithmetic · calculate · equation · twofold · threefold

chronicle

Ordered historical record

• annalsYear-by-year historical account
• eraDistinct historical period
• periodPunctuation ending sentences
• reignSovereign's time in power

dynasty · empire · revolution · wartime · peacetime · turning point · milestone · epoch

tempo

Rate of musical performance

• beatRhythmic pulse or strike
• cadenceRhythmic pulse or pattern
• pulseArterial blood throb
• syncopationStressed unexpected beats

meter · downbeat · upbeat · measure · signature · waltz · swing · polyrhythm

schedule

Plan of timed events

• agendaFormal discussion list
• appointmentScheduled time for something
• calendarDate-tracking system
• deadlineTime limit for completion

slot · booking · itinerary · timeline · planner · roster · docket · program

nanosecond

One-billionth second unit

• millisecondTiny time unit
• secondUnit smaller than minute
• minuteSixtieth of an hour
• hourSixty-minute span

day · week · month · year · decade · century · millennium · span

epoch

Distinct historical period

• ageDuration of existence
• periodPunctuation ending sentences
• antiquityGreat age, ancient era
• renaissancePeriod of renewed vitality

medieval · classical · victorian · prehistoric · enlightenment · industrial · modern · bronze age

frequently

Happening many times

• oftenAt frequent intervals
• rarelyNot often occurring
• sometimesAt irregular intervals
• occasionallyAt infrequent intervals

repeatedly · seldom · regularly · always · never · daily · weekly · monthly

hard

Firm or demanding

• toughDurable and strong
• challengingHard to accomplish
• tryingCausing strain or frustration
• troubledExperiencing distress or anxiety

turbulent · lean · desperate · dark · uncertain · prosperous · good · bad

wedding

Marriage rite and feast

• graduationCompleting academic requirements formally
• birthdayAnnual date of origin
• celebrationFestive event marking occasion
• holidayDay of rest

funeral · ceremony · milestone · anniversary · reunion · festival · gathering · dinner