1. by chance, perchance

through chance,

Example Sentences:
'To sleep, perchance to dream..'

Synonyms

• by chance

2. maybe, mayhap, peradventure, perchance, perhaps, possibly

by chance

Example Sentences:
'perhaps she will call tomorrow'
'we may possibly run into them at the concert'
'it may peradventure be thought that there never was such a time'

Synonyms

• maybe
• mayhap
• peradventure
• perhaps
• possibly