age, period, epoch, era, time, times, season, month and year, rotation period

the one who have control on time, the one who have complete control on the world, emperor

the one who changes his principles according to the situation, a time-server, cunning, opportunist

time-serving, turning with the tide, changing views to suit the prevailing circumstances

get experience

one who knows an epoch, age

experienced, veteran

to turn with the tide, to temporize

be fortunate, be favoured by the turns of fortunes, circumstances to be favourable

the bygone era

a long span

the modern era

the bygone era