| acquainted(adjective, knowledge, experience, skill, expert) |
| acquainted with(expression, adjective, introduced) |
| informed(adjective, knowledge, experience, skill, expert) |
| learned(adjective, knowledge, experience, skill, familiar) |
| up on(expression, adjective, expert) |
| well-informed(adjective, knowledge, experience, skill, familiar) |
| well-read(adjective, knowledge, experience, skill, expert) |
| used to(expression, adjective, adverb, plain, common) |
| aware(adjective, knowledge, experience, skill, familiar) |
| capable(adjective, knowledge, experience, skill, expert) |
| conversant with |
| experienced(adjective, tough, knowledge, experience, skill) |
| knowledgeable(adjective, knowledge, experience, skill, expert) |
| skilled(adjective, tough, knowledge, experience, skill) |
| skillful(adjective, knowledge, experience, skill, expert) |
| used |
| versed in(expression, adjective, familiar, aware, informed) |
| witting(adjective, knowledge, experience, skill, familiar) |
| abreast(adjective, familiar, knowledgeable, skilled, aware) |
| accustomed to(expression, adjective, adverb, apt, hopeful) |