1. (noun) the act of using

• employment
• exercise
• use
• utilisation
• utilization

2. (noun) accepted or habitual practice

• custom
• usance

1. (noun) the act of using

• abuse
• misuse
• application
• practical application
• development
• exploitation
• play
• practice
• recycling

2. (noun) accepted or habitual practice

• americanism
• anglicism
• britishism
• consuetude
• couvade
• germanism
• habit
• use
• hijab
• rite
• ritual

1. (noun) the act of using

• activity

2. (noun) accepted or habitual practice

• pattern
• practice
• survival

3. (noun) the customary manner in which a language (or a form of a language) is spoken or written

• language
• linguistic communication

1. (noun) the act of using

• apply
• apply
• apply
• apply
• apply
• employ
• employ
• employ
• employ
• employ
• use
• use
• use
• use
• use
• utilise
• utilise
• utilise
• utilise
• utilise
• utilize
• utilize
• utilize
• utilize
• utilize
• do
• exercise
• practice
• practise
• exercise
• exert
• habituate
• use

2. (noun) accepted or habitual practice

• accustomed
• customary
• habitual
• wonted
• apply
• practice
• use
• use